Cat Paradise
Gakuen Sousei Nekoten!
Iwahara, Yuji (Story & Art)
Right(→) to Left(←)
Manga Description

Yumi enrolls at Matabi Academy for one reason: you can raise your cat there if you get permission. After the entrance Ceremony a Monster suddenly appears endangering her and her new friend. Given a mysterious power Yumi and her cat Kasuke strive into battle. (Source: Mangaupdates)