Abbreviations
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!
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 & in Jelly Collab
Koupen-chan collaborates with inJelly to bring you a healthy treat!
Koupen-chan Exhibit (2024)
A compilation of tweets and information related to Koupen-chan Exhibit in 2024. This exhibit was originally shown in Ginza, Tokyo in December 2023.
Happy 1st Birthday, Koupen-chan! (April 4th, 2018)
Koupen-chan was created in 2017, so April 4th, 2018 was Koupen-chan’s first birthday!
Your Winter Trip with Koupen-chan
For winter vacation, you go on a trip with Koupen-chan and the others!
Summer Vacation with You and Koupen-chan (2017)
A translation of the tweets titled “Your Summer Vacation with Koupen-chan” posted in 2017 by Rurutea.
Koupen-chan and Chocolate
Koupen-chan learns about and tries white chocolate for the first time.
Adult and Child Compilation
A compilation of digital illustrations featuring Adult Penguin-san and Koupen-chan!
Adult Penguin-san and Koupen-chan Go To Mt. Mitake
Adult Penguin-san and Koupen-chan take a trip to Mt. Mitake (御岳山).
Happy Birthday, Koupen-chan!!!! (April 4th, 2024)
Happy 7th Birthday, Koupen-chan!!!!!!!!!!!!!!
Rurutea’s New Instagram Account Announcement
Rurutea announces their new account on Instagram, and also requests that people stop reposting their art from X/Twitter to Instagram.
![Happy New Year! [2024]](https://images.squarespace-cdn.com/content/v1/5f35eac37f594407730da9dc/1704352887092-SJS23RG8CUO8ALPHNDUS/F4KzLQnaIAAXPCm.jpg)
Koupen-chan Exhibit (Dec 2023)
Information and translations related to the Koupen-chan Exhibit held in Matsuya Ginza during December 2023.
Koupen-chan and the Tin-can Telephone
Koupen-chan makes a tin-can telephone and tries to use it! Both comics are in this post.
Trip to Gujō Hachiman
Koupen-chan and Adelie-san take a trip to a town called Gujō Hachiman in Gifu Prefecture.
Summer Festival Compilation + References
Here is a compilation of Japanese summer festival illustrations done by Rurutea in 2023! Here I post the original tweets and some notes and references where you can learn more about each festival.
Sugar-Salt-Vinegar Pickled Plums
Rurutea introduces a simple umeboshi recipe using sugar, salt, and vinegar!
