The corporate slave lives with a teenage girl ...! Single old man x teenage girls junior high school student, under one roof! Masahiko Azumane is... more>> a man who works all night even on holidays and almost never catches a break from working, it is normal for him to return home in the morning. One day, a girl named Yuri, came to visit him, saying that she was the daughter of a former high school classmate. The two started living together under the promise of "until her mother comes to pick her back up” <<less

“I wish I had liked you when I was a high school student …”... more>>

Osamu’s girlfriend refused his proposal with these mysterious words. After that, in an accident, he time-leaps back to his high school days.

He was trying to find her and make her fall in love with him again, but when he met her she had a twin sister…! ?? <<less