During the time Chifuyu and Takemichi go to question Osanai, they find he's silenced by fear. That however doesn't stop his younger sister from spilling all she knows... And if that spill leads to a partner ship and later love, what can she say? or You're the younger sister to Osanai, former Mobeius leader. You've noticed the weird things happening around him and his subtle changes. All these details lead back to his gang and you do some investigating. One day when visiting Osanai, two boys run into you. Little did you know, that they'd bring a whole new adventure with them. Did I mention they also might bring love?