The classic "Sakura Diaries" is revived in modern times!! Yashiro Heita, commonly known as Yajirobe, is a job-hunting ronin who moves to Tokyo to try his best to find a job, but is unsuccessful. He is staying with his uncle and is determined to try his best to find a job again, but there is a woman he admires. Just as Heita is about to get a job and confess his feelings to the girl he has a crush on, a high school girl (self-proclaimed) appears in front of him and calls him "big brother"!! Without even knowing who she is, the two enter into an illicit relationship...!! A love triangle that seems like it will bloom but never does is about to begin...!!