Yanahara’s previous manga Takasugi-san’s Obento (Takasugi-san-chi no Obentō) launched in Comic Flapper in 2009, and ended in May 2015.
The August issue of Kadokawa’s Comic Flapper magazine revealed on July 5 that Nozomi Yanahara will end the Karin-po manga in the magazine’s next issue on August 4.
Kadokawa published 10 compiled book volumes for the manga.
Yanahara launched the manga in Comic Flapper in June 2016.