Translations for Hanamaru Morning Radio, based on fan letters sent to Koupen-chan.

A compilation post of all the 2026 birthday posts!

Featuring: Adult Penguin-san, Koupen-chan, Polar Bear-san, Yokoshima Enaga-san, and Adelie-san.

The compilation page of translated signage and posts regarding the Koupen-chan Hanamaru Life pop-up held in Tokyo Station during February and March of 2026.

Photographs are courtesy of official X posts, Sai, and a personal contact of mine.

Thumbnail taken by Sai on Twitter (see blog page for link).

Learn about the 24 solar terms denoting the changing of the seasons with Koupen-chan!

Take a relaxing train ride from Enoshima Station to Shichirigahama Station and explore the area around Enoshima with Koupen-chan! A compilation of 4 illustrations by Rurutea as well as links to each location shown.

Take a stroll through North Kamakura with Koupen-chan! This page includes translations of a handful of illustrations featuring spots in North Kamakura by Rurutea, as well as map links to the actual places so you can explore them yourself!

Adelie-san’s birthday is May 25th!

Happy Birthday, Yokoshima Enaga-san! Their birthday is April 29th.

Here you can view the transcriptions for the Koupen-chan anime, aired in Spring 2026 (episodes 53+). I don’t want to repost the videos without permission, but I at least want to make the English translations available somehow.

Here I present the Japanese, romanized, and English translations of the character songs shown in the Koupen-chan anime!

Here you can view the transcriptions for the Koupen-chan anime, aired in Spring 2025 (episodes 33+). I don’t want to repost the videos without permission, but I at least want to make the English translations available somehow.

Here you can view the transcriptions for the Koupen-chan anime, aired in Spring 2025. I don’t want to repost the videos without permission, but I at least want to make the English translations available somehow.

A playlist of all the videos I’ve translated so far.