Koinobori Chocolate Cookies for Children's Day Now Available from Mary Chocolate

Published: March 18, 2026
Koinobori Chocolate Cookies for Children's Day Now Available from Mary Chocolate

A new seasonal item has arrived from Mary Chocolate Company: the "Koinobori Chocolate Cookie" (こいのぼりチョコレートクッキー). Part of the popular Sweets Time series, this product is designed to mark Children's Day (こどもの日) and is now on sale at mass retail stores nationwide and through the Mary Online Shop.

Product Highlights

The cookies are coated in sweet (dark) chocolate and come packaged in a charming koinobori (carp streamer) design that captures the spirit of the spring holiday. The cute packaging makes it an easy pick-up for snack time or as a small seasonal gift for families with children.

Koinobori Chocolate Cookie product

Product Details

Product Name: Koinobori Chocolate Cookie

Price: ¥378 (tax included) / 48g

Availability:

  • From March 18 (Wed): Mass retail stores nationwide and Mary Online Shop
  • From April 1 (Wed): Department stores nationwide

※ Release dates may vary by store.

Mary Online Shop: https://lotte-shop.jp/shop/brand/mary/

Sweets Time series lineup

The Koinobori Chocolate Cookie is part of Mary Chocolate's "Sweets Time" series. More information about the series is available on the official website: https://www.mary.co.jp/mary/product/sweetstime/sweetstime/