C: Caption
K: Koupen-chan
Y: Yokoshima Enaga
A: Adelie-san
E: Adult emperor penguin (Otona no Penguin)
P: Polar bear (Shirokuma-san)
If you have any translation requests, please feel free to send me the specific tweet to my Twitter!

Koupen-chan's Friend 3/5/25 Koupen-chan's Friend 3/5/25

Koupen-chan Gets an Official Anime!!!

Koupen-chan is getting an official anime adaptation! See this post for related translations.

Koupen-chan's Friend 6/24/24 Koupen-chan's Friend 6/24/24

Happy 1st Birthday, Koupen-chan! (April 4th, 2018)

Koupen-chan was created in 2017, so April 4th, 2018 was Koupen-chan’s first birthday!

Koupen-chan's Friend 6/23/24 Koupen-chan's Friend 6/23/24

For winter vacation, you go on a trip with Koupen-chan and the others!

Koupen-chan's Friend 5/11/24 Koupen-chan's Friend 5/11/24

Adult Penguin-san and Koupen-chan take a trip to Mt. Mitake (御岳山).

Koupen-chan's Friend 1/21/23 Koupen-chan's Friend 1/21/23

A fresh set of character introductions for Koupen-chan and company from Rurutea!

Koupen-chan's Friend 8/16/22 Koupen-chan's Friend 8/16/22

This is a compilation of the thread: Your Summer Vacation with Koupen-chan. This page is complete as of 8/28/2022.

Koupen-chan's Friend 4/3/22 Koupen-chan's Friend 4/3/22

It’s Koupen-chan’s 5th birthday!

Koupen-chan's Friend 12/12/20 Koupen-chan's Friend 12/12/20

Koupen-chan gives Yokoshima Enaga a hug, but Yokoshima Enaga becomes confused…

Koupen-chan's Friend 9/28/20 Koupen-chan's Friend 9/28/20

Koupen-chan introduces us, and Yokoshima Enaga-san, to the lemon-peaches.