A3 Co., Ltd. New merchandise for “Mouse’s First Love” will be released! The lineup includes items using original color illustrations and scenes from the series.

【A3 Co., Ltd.】New “Mouse’s First Love” merchandise to be released! The lineup includes items featuring color illustrations from the original work and scenes from the series. ​
A3 Co., Ltd. Press release: October 31, 2025 To Members of the Press New “Mouse’s First Love” merchandise to be released! The lineup includes items featuring color illustrations from the original work and scenes from the series.
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New “Mouse’s First Love” merchandise will be released! Online sales will begin on Friday, October 31, 2025, at the “eeo Store online,” and in-store sales will begin on Saturday, December 13, at the eeo Store Ikebukuro Main Branch. Currently being serialized in “Weekly Young Magazine” (Kodansha), Riku Oseto’s “Mouse’s First Love” is a cruel yet touching story that has captivated many readers with its depiction of a fleeting love affair and heartwarming story. These new merchandise items feature original illustrations, including memorable scenes from the series and color illustrations. We’ll introduce these fascinating new merchandise that will move your heart, along with information about the bonus items! ▼Order online here! ▼ Go to eeo Store online [Sales information (mail order/store)] Online Shopping> ■Sales start date: Friday, October 31, 2025 ■Sales locations: ＜Stores＞ ■Sales start date: Saturday, December 13, 2025～ ■Sales location: eeo Store Ikebukuro Main Branch ※Also available for online purchase during the same period. ＜In-Store Pickup Reservation＞ ■Reservation Period: October 31st (Mon) – November 6th (Thu), 2025 ■Reservation Location: “eeo Store online” online store ※Pre-ordered items can be picked up at the eeo Store Ikebukuro Main Branch at your convenience after the release date (December 13th). 25 new merchandise items across 5 categories featuring original illustrations are now available!
https://prcdn.freetls.fastly.net/release_image/12048/1005/12048-1005-afd43611afd4f2df574059f089d270a2-1754×2480.jpg 【Goods List】 ・Can Badges (8 types) *Blind Box Product ・Acrylic Cards (8 types) *Blind Box Product ・Acrylic Stand Plates (3 types) ・REPLICA GENGA 3-Piece Set (1 type) ・Acrylic Stands (5 types) *For blind items, you can choose to purchase one random item as a single item, or a complete set that includes all types. Mail order also available! Purchasers receive a limited edition postcard (2 types) as a bonus.
https://prcdn.freetls.fastly.net/release_image/12048/1005/12048-1005-e607144d45990130977a1444345e1765-1754×1240.jpg For every purchase of new “Mouse’s First Love” products worth 2,200 yen (tax included) in a single transaction, you will receive a bonus postcard (one of two types, chosen at random). Be sure to get the bonus along with the new merchandise! Can badges (8 types) *Blind sale product
https://prcdn.freetls.fastly.net/release_image/12048/1005/12048-1005-4b8c82eebbb76feb6dc4aafd0f8f4efa-800×800.jpg The approximately 5.7cm badges come in two designs: a color
illustration and a scene from the series. The faces are designed in close-up, allowing you to enjoy the mice’s expressions! ▼Order online here! ▼ Go to eeo Store online Acrylic cards (8 types) *Blind box product
https://prcdn.freetls.fastly.net/release_image/12048/1005/12048-1005-3834d694fc062d626d00d6bbce9e5a14-800×800.jpg The approximately 7cm x 9cm acrylic card features a soft-colored design of an impressive scene from the series. It fits in the palm of your hand and is perfect for carrying around♪ Acrylic stand plate (3 types)
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https://prcdn.freetls.fastly.net/release_image/12048/1005/12048-1005-8f248130397bef0581884dd2590113fd-800×800.jpg *The image is an example. This acrylic stand plate measures
approximately 12cm x 12cm (before assembly). This is an assembly-type item that can be completed by inserting the parts featuring original frames and the logo and dialogue parts from the series into the base! REPLICA GENGA 3-piece set (1 type in total)
https://prcdn.freetls.fastly.net/release_image/12048/1005/12048-1005-eff081e0ef1d0bfc595f3cdabc08cea4-800×800.jpg This B4-sized (approximately 26cm x 36cm) reproduction art set is an incredibly satisfying item that lets you enjoy the illustrations in a striking size. Frame it and display it in your room, and your heart will beat faster every time you look at it! Acrylic stand (5 types in total)
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https://prcdn.freetls.fastly.net/release_image/12048/1005/12048-1005-a2c37c2ac1eba888d6ec35909886ce10-800×800.jpg *The image is an example. The acrylic stand, measuring up to 15cm in height and width, features the comic’s cover illustration. Place it on a rack or table and enjoy Riku Oseto’s beautiful color illustrations to your heart’s content! ▼Order online here! ▼ Go to eeo Store online (C)Riku Oseto/Kodansha
https://prcdn.freetls.fastly.net/release_image/12048/1005/12048-1005-ac2d310f2fc241af763d0ee80cbc1dfd-1000×880.png A3 Co., Ltd. [Company Overview] Company Name: A3 Inc. Established: September 27, 2012 Location: Yamatane Ikebukuro Building 2F, 1-11-22 Minami-Ikebukuro, Toshima-ku, Tokyo Representative: Representative Director Takashi Ozawa Website: https://athree3.com/ Contact: https://athree3.com/contact/ 【Business Description】 IP real platform business 【Official Website URLs】 eeo Store:
https://eeo.today/store/101/ eeo Media: https://eeo.today/media/ eeo Stage: https://eeo.today/stage/ Oshikatsu latest information (OSHI ):https://eeo.today/store/101/specialfeature/oshiplus