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 11/8/24 Koupen-chan's Friend 11/8/24

Pink Koupen-chan (and other color variations)

Yokoshima Enaga-san almost spills the beans about pink Koupen-chan.

This page also features a compilation of other posts about the various colors in which Koupen-chan can be seen.

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

Your Winter Trip with Koupen-chan

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

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.