She did not want to remember that again, she's changed; she doesn't do those things anymore. She doesn't want to bother and cause trouble for everyone around her. And there's been results: This time people actually like her!

Starting university as a changed person, Airi has a lot of plans in mind to enjoy her long-awaited college life. At least, that's what she thought until she met Ren again and with him, the past she needs to reconcile with.