Mimosa Yakata de Tsukamaete
ミモザ館でつかまえて
A new teacher at an all-boys high school, Haruko Sonobe, searches for affordable housing and discovers a flyer for a room in an old mansion. The landlord is a young man named Arei who offers her a low rent in exchange for helping with dinner each night. Haruko agrees, only to be surprised the next day when she learns that Arei is a student in her class.