trying to remember the name of a shoujo manga based in a dorm....

a girl enters a girls dorm and she must go through an initiation of sneaking into the boys dorm. when she does this, she runs into a delinquent boy in his room and he helps her get out of the boys dorm without getting caught. an added note is the delinquent works at a bar but tries to keep it a secret

Bijo ga Yajuu maybe