Ryoubo-san wa Joshikousei

Yamada Hanako, 16 years old orphan girl, suddenly finds herself on the street. In order to find a place to crash in and work at the same time, she decides to disguise herself and play the role of an old dorm matron. Unfortunately, even with her disguise, she catches the attention of the handsome Shinobu… Will he be able to find out the truth about her and blows her cover ?