A manga anthology based on DMM and Nitro+'s browser game Touken Ranbu -online- where the sword boys attend high school.

A manga anthology based on the DMM Games/Nitroplus browser game Touken Ranbu -ONLINE- by the editorial department of shoujo magazine Hana to Yume.

At the request of her brother-in-law, Nana Lee took over as the dormitory mother in the student dormitory where the princes from each country gathered. Yuan, the deputy dormitory director, rushes into her who wants to be like everyone's mother.

A girl with communication problems gets a job at... a prince's dormitory full of princes with secrets?! If she doesn't help them graduate, she'll be fired ! Ritsu, who is unsociable and has no friends, finally lands a job as a dorm mother at the school. The conditions she is given for employment are "no romance with students" and "make sure the students graduate within a year"!?!? She thinks her days with handsome guys will be rosy... but the princes, all too quirky, turn out to be a group of five problem children...