A warm comedy spinoff series from Ace of the Diamond (aka Daiya no A) written by Yuki Okada, the wife of Yuji Terajima himself. Sawamura and his fellow residents of room 5... accidentally adopted a cat? What will they do about meals? How will they bathe him? Worst of all, pets are prohibited from being kept in the dorms. Sawamura and his roommates struggle to overcome these challenges while keeping their new feline friend a secret. Still, they persevere, because who can resist the cuteness of cats? Read Daiya no C to follow the adventures of the Seidou team and their new furry addition.

Yuki Okada, at the age of 33, has a perfectly fulfilling life: happily married, mother of a little girl, and practicing the job she loves as a manga artist. But when she consults her doctor for a simple delay of her period, she does not expect the terrible news that awaits her: despite her young age, she has developed cancer of the cervix. She doesn't know how to react to the ordeal that life has imposed on her... However, she quickly realizes that she will have to make some hard choices. But between the opinions of her family and the doctors, how will she know what's the right thing to do?

Collections of one-shots that won the monthly Hop Step Award from 1987 to 1996.