Nostalgia Overload! Sgt. Frog (Keroro) Returns After 16 Years — 4 Must-Buy Japan Mercari Collectibles + Proxy-Buy Guide
📌 TL;DR
・Why is Keroro suddenly trending again? After 16 years, the new film Sgt. Frog the Super Movie: Resurrected and Facing Earth’s Destruction! premiered in Japan on 26 June 2026, and a brand-new TV anime is confirmed for Autumn 2026 — sparking a huge wave of nostalgia and online buzz.
・4 must-buy collectibles: the movie-exclusive Keroro × Mobile Suit Gundam Keroro Robo Mk-II model kit, the Keroro gachapon mouse pad, the Keroro Ichiban Kuji (Vol. 2 launched right after the comeback), and the LOOK UP (Rukappu) Keroro / Tamama figures.
・The problem for Singapore fans: many items are Japan-only (some are cinema-exclusive), and Japan’s Mercari resale platform does not ship overseas or accept overseas cards and addresses — making it nearly impossible to order on your own.
・The smartest solution: use the Buy&Ship Proxy-Buy service — we place the order on Mercari in Japan for you and forward it to Singapore, so you get authentic items at the seller’s price and save on the markups a local reseller would charge.
“Gero gero!” After 16 years, the all-new Sgt. Frog (Keroro) movie premiered in Japan on 26 June 2026, and a brand-new TV anime is set to air in Autumn 2026 — igniting a wave of nostalgia among long-time fans. In this guide, we round up 4 of the hottest Keroro collectibles on Japan’s Mercari and show you how to grab authentic pieces at original prices using the Buy&Ship Proxy-Buy service.
Table of Contents
→ Why Is Keroro Trending Again? New Movie + Autumn 2026 Anime
→ 4 Must-Buy Keroro Collectibles on Japan Mercari
→ FAQ
→ How to Proxy-Buy Keroro Items from Japan Mercari with Buy&Ship
Why Is Keroro Trending Again? New Movie + Autumn 2026 Anime
A New Movie, 16 Years in the Making
Sgt. Frog (Keroro) is based on the manga by Mine Yoshizaki. After the 2004 TV anime, it became a hit across Asia and a core childhood memory for many. The new film — Sgt. Frog the Super Movie: Resurrected and Facing Earth’s Destruction! — is the franchise’s first movie in 16 years, and premiered in Japan on 26 June 2026. In it, the Keroro Platoon returns to Earth in formal dress down a cosmic red carpet, only to take on the duty of defending the planet when Shibuya comes under attack by unknown invaders.
Notably, the film is written and directed by Yuichi Fukuda (known for the live-action Gintama films), with animation by BN Pictures. The familiar production team paired with Fukuda’s signature humour gives the series a fresh feel — one of the big reasons the buzz has spiked.
New TV Anime Airing Autumn 2026, with a Fully Recast Voice Cast
Beyond the movie, an all-new TV anime is confirmed to air in Autumn 2026, featuring an entirely new voice cast. For characters that have been with fans for years, a full recast is big news — and combined with the franchise’s first-ever Mobile Suit Gundam collaboration merchandise, demand for Keroro collectibles has surged, with many limited items selling out almost instantly.
💡 Authenticity tip: Most Keroro merch is sold only in Japan, and cinema-exclusive items can’t be shipped abroad on your own. Since Japan’s Mercari doesn’t ship overseas or accept overseas cards and addresses, ordering directly from Singapore is nearly impossible. The easiest route is the Buy&Ship Proxy-Buy service: we order in Japan and forward to Singapore, so you get authentic goods at the original price and skip a local reseller’s markup.
4 Must-Buy Keroro Collectibles on Japan Mercari
Here are 4 of the most talked-about Keroro items right now — all findable on Japan’s Mercari. Each listing below includes the Japanese search term and a Buy&Ship Mercari search link so you can search, compare and order in a few taps.
| Collectible | Type | Highlight | Japanese Search Term | Mercari Price Guide (JPY) |
|---|---|---|---|---|
| Keroro Robo Mk-II Gundam Collab Model | Movie cinema-exclusive model kit | First-ever Keroro × Gundam collab, Titans colour scheme | ケロロ軍曹プラモコレクション ケロロロボ Mk-II | approx. ¥2,500 – ¥4,000 |
| Keroro Gachapon Mouse Pad | Gachapon / small item | Practical and cute — a great entry-level collectible | ケロロ軍曹 マウスシートコレクション | approx. ¥500 – ¥1,500 |
| Keroro Ichiban Kuji | Ichiban Kuji prize | Vol. 2 launched right after the comeback; varied prizes | ケロロ軍曹 一番くじ | approx. ¥800 – ¥3,000 |
| LOOK UP Keroro / Tamama | Looking-up figure | Adorable upward gaze — perfect for display | るかっぷ ケロロ軍曹 ケロロ/タママ | approx. ¥2,000 – ¥3,500 |
1. Movie Exclusive: Keroro × Mobile Suit Gundam — Keroro Robo Mk-II
One of the movie’s biggest highlights is Keroro’s first-ever collaboration with Mobile Suit Gundam! This Keroro Robo Mk-II sports the iconic Titans colour scheme from Mobile Suit Z Gundam, blending Keroro’s mecha form with a Gundam aesthetic — a must-have talking piece for model builders and nostalgic fans alike. As a cinema-exclusive in limited supply, Japan’s Mercari is the main way to grab an authentic one after the official run.
🔍 Japanese search term: ケロロ軍曹プラモコレクション ケロロロボ Mk-II
Mercari price guide: approx. ¥2,500 – ¥4,000
2. Keroro Gachapon: Mouse Pad Collection
Want to start a Keroro collection without spending much? This Keroro gachapon mouse pad is a top pick. It turns the lovable Keroro Platoon into a practical mouse pad that instantly livens up your desk — affordable yet highly collectible, appealing to newcomers and long-time fans alike. Since gachapon are randomised, searching for a specific design on Mercari is the most efficient way to complete your set.
🔍 Japanese search term: ケロロ軍曹 マウスシートコレクション
Mercari price guide: approx. ¥500 – ¥1,500
3. Keroro Ichiban Kuji: Vol. 2 Dropped Right After the Comeback!
Riding the movie and new-anime wave, Keroro Ichiban Kuji launched its second volume right after the comeback and remains hugely popular. The appeal of Ichiban Kuji is the “guaranteed win” format — from figures and towels to tableware and everyday goods, with the top-tier prizes being true collector’s grails. If you missed the in-store draw or want to lock in a specific prize, Mercari has plenty of single prizes and full sets on offer — an ideal way to complete your collection.
🔍 Japanese search term: ケロロ軍曹 一番くじ
Mercari price guide: approx. ¥800 – ¥3,000 (top prizes higher)
4. LOOK UP (Rukappu) Sgt. Frog: Keroro / Tamama
MegaHouse’s LOOK UP (Rukappu) series is known for one adorable quirk: every character is posed gazing upward, as if looking up at you from your desk. This line-up features the ever-popular platoon leader Keroro and cry-baby Tamama, with rounded silhouettes and detailed paintwork beloved by collectors — plus a poseable head for extra charm. To grab Keroro and Tamama as a pair, searching Mercari often turns up a better-value bundle.
🔍 Japanese search term: るかっぷ ケロロ軍曹 ケロロ/タママ
Mercari price guide: approx. ¥2,000 – ¥3,500
Note: Prices, stock and condition may change with demand; always refer to the live Mercari listing. Product image copyrights belong to the respective sellers and brands.
FAQ
Q1: Can Japan Mercari ship directly to Singapore?
No. Japan’s Mercari is a local C2C second-hand platform; most sellers ship within Japan only and don’t accept overseas cards or addresses, so ordering on your own is difficult. We recommend the Buy&Ship Proxy-Buy service: we order in Japan for you, the item ships to our Japan warehouse, and we forward it to Singapore.
Q2: What’s the difference between Proxy-Buy and Shipping Forwarding?
If you can order on a Japanese site yourself, use the Shipping Forwarding service — send items to our Japan warehouse and we forward them to Singapore. But because Mercari doesn’t accept overseas orders, the Proxy-Buy service is the way to go: just give us the product link and Buy&Ship handles the ordering, payment and receiving for you — no Japanese communication or local address needed. It’s ideal for second-hand platforms like Mercari.
Q3: Mercari items sell fast — what if it’s snapped up?
Keroro’s limited items (especially the movie Gundam collab model and top Ichiban Kuji prizes) move fast on Mercari and are often gone soon after listing. We recommend registering a Buy&Ship account in advance so you can submit a Proxy-Buy order the moment you spot a piece you want. The same item is usually listed by multiple sellers, so you can also compare price and condition before buying.
Q4: Local reseller vs. Buy&Ship Proxy-Buy on Mercari — what’s the difference?
Local resellers may charge high service fees and markups, and popular items can carry a risk of fakes. Proxy-buying directly on Mercari via Buy&Ship gives you price transparency: you search and compare on the platform yourself and buy at the seller’s actual price. Adding a reasonable proxy-buy fee and forwarding cost, it often works out far cheaper than a local reseller — and gives you greater peace of mind.
How to Proxy-Buy Keroro Items from Japan Mercari with Buy&Ship
Since Japan’s Mercari doesn’t ship overseas, the easiest route is the Buy&Ship Proxy-Buy service — we order and forward to Singapore for you. Here’s how:
✅ Using the Buy&Ship [Proxy-Buy] Service
Step 1: Search the item and submit a proxy-buy request
- Use the Mercari search links in this article, or enter the Japanese search term on the Buy&Ship Mercari search page to find the Keroro item you want.
- Go to the Buy&Ship Proxy-Buy page and fill in the item details: product link, spec / variant / colour, and any notes.
- Once submitted, the system shows the estimated item cost and proxy-buy service fee.
📌 Important: Each proxy-buy order can purchase one item only. Even when buying multiple pieces from the same seller, you must submit a separate proxy-buy order for each item. To grab several Keroro pieces at once, submit them one by one, then consolidate at the warehouse to save on shipping.
📖 Further reading: Want a more detailed step-by-step Japan Mercari proxy-buy tutorial? See our Complete Japan Mercari Proxy-Buy Guide.
Step 2: Confirm the quote and pay
- Once the item details and proxy-buy fee are correct, complete payment.
- Buy&Ship then completes the purchase on Mercari based on the details you provided.
📌 No need to fill in a Japanese address or communicate with the seller yourself.
Step 3: Item arrives and enters the warehouse
- After the item ships, Buy&Ship tracks its logistics status.
- Once it arrives and is logged in at the Buy&Ship Japan warehouse, you’ll get a system notification.
Step 4: Choose consolidation and delivery
- Once at the sorting centre, ship the item on its own or consolidate it with other parcels to save on shipping.
- The system calculates the total weight and shipping fee automatically.
Step 5: Pay and receive
- After confirming the shipping fee and paying, your parcel is delivered to your address.
- Track your parcel at every step on the Buy&Ship app or website.