Ito Junji no Neko Nikki: Yon & Mu  

Junji Ito's Cat Diary: Yon & Mu, Itou Junji no Neko Nikki: Yon & Muu, Ito Junji's Cat Diary, 伊藤潤二の猫日記よん&むー, Itou Junji no Neko Nikki: Yon & Mu, Ito Junji's Cat Diary: Yon & Mu, Czwórcio i Szóstek - koci pamiętnik Junjiego Ito

Horror manga author Mr. J moves into his new house with his fiancée A-ko. Much to his chagrin, she brings two guests with her.(Source: MU)

Ito Junji no Neko Nikki: Yon & Mu was published in English as Junji Itos Cat Diary: Yon & Mu by Kodansha Comics USA on October 27, 2015. It was also published in Spanish by Tomodomo Ediciones in 2015.