Koupen-chan's Friend 4/4/24 Koupen-chan's Friend 4/4/24

Happy Birthday, Koupen-chan!!!! (April 4th, 2024)

Happy 7th Birthday, Koupen-chan!!!!!!!!!!!!!!

Koupen-chan's Friend 4/4/24 Koupen-chan's Friend 4/4/24

Happy Birthday, Adult Penguin-san! (April 3rd, 2024)

Happy 7th Birthday, Adult Penguin-san!

Koupen-chan's Friend 1/15/24 Koupen-chan's Friend 1/15/24

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.

Koupen-chan's Friend 1/4/24 Koupen-chan's Friend 1/4/24

Happy New Year! [2024]

Happy New Year! Celebrate the coming of 2024 with Koupen-chan!

Koupen-chan's Friend 12/18/23 Koupen-chan's Friend 12/18/23

Koupen-chan Exhibit (Dec 2023)

Information and translations related to the Koupen-chan Exhibit held in Matsuya Ginza during December 2023.

Koupen-chan's Friend 11/5/23 Koupen-chan's Friend 11/5/23

A Short Break at Adelie Diner

Adelie-san has a treat for you!

Koupen-chan's Friend 10/30/23 Koupen-chan's Friend 10/30/23

A New Title

Koupen-chan acquires a new nickname!

Koupen-chan's Friend 10/30/23 Koupen-chan's Friend 10/30/23

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.

Koupen-chan's Friend 8/15/23 Koupen-chan's Friend 8/15/23

Trip to Gujō Hachiman

Koupen-chan and Adelie-san take a trip to a town called Gujō Hachiman in Gifu Prefecture.

Koupen-chan's Friend 8/13/23 Koupen-chan's Friend 8/13/23

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.

Koupen-chan's Friend 7/17/23 Koupen-chan's Friend 7/17/23

Ocean Fishing with Koupen-chan

Let’s go ocean fishing with Adult Penguin and Koupen-chan!

Koupen-chan's Friend 6/18/23 Koupen-chan's Friend 6/18/23

Sugar-Salt-Vinegar Pickled Plums

Rurutea introduces a simple umeboshi recipe using sugar, salt, and vinegar!

Koupen-chan's Friend 6/1/23 Koupen-chan's Friend 6/1/23

Happy Birthday, Adelie-san! (May 25, 2023)

Happy Birthday, Adelie-san!

Koupen-chan's Friend 5/5/23 Koupen-chan's Friend 5/5/23

Happy Birthday, Yokoshima Enaga-san! (April 29th, 2023)

April 29th is Yokoshima Enaga-san’s birthday!

Koupen-chan's Friend 4/26/23 Koupen-chan's Friend 4/26/23

VS (Versus)

Koupen-chan's Friend 4/24/23 Koupen-chan's Friend 4/24/23

Happy Birthday, Polar Bear-san! (April 23, 2023)

April 23rd is Polar Bear-san’s birthday!

Koupen-chan's Friend 4/4/23 Koupen-chan's Friend 4/4/23

Happy 6th Birthday, Koupen-chan! (April 4th, 2023)

Happy 6th birthday, Koupen-chan! (April 4th, 2023)

Koupen-chan's Friend 4/3/23 Koupen-chan's Friend 4/3/23

Happy Birthday, Adult Penguin-san! (April 3rd, 2023)

Happy birthday, Adult Penguin-san! Their birthday is April 3rd.

Koupen-chan's Friend 3/5/23 Koupen-chan's Friend 3/5/23

Koupen-chan Diner: Info and Translations

Learn about “Koupen-chan Diner” — an exciting collaboration with The Guest cafe & diner and Koupen-chan from March to May 2023!

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

2023 Character Introductions

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

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