Mint na Bokura [Manga]

Noeru has a close connection to his twin sister, Maria. When Noeru learns Maria’s gone to a boarding school to be near her first love, he goes after her to stop it. The only problem is that the school has only one bed left, for a girl student. Disguised as a girl, Noeru attempts to bring his sister home. In the process, love is found, lost, and found again for both of them.