Otouto wa, Ookami.

A girl named Beitofuku recently experienced her father's remarriage, introducing her to a stepbrother who is also the most popular student at their school, Aizawa Hiroki. Despite his gentlemanly facade, he is revealed to be a playboy who attempts to "capture" her to challenge the idea of them being a real family. Another story involves a girl named Ichikawa who struggles to maintain romantic relationships. To address this, she enlists the help of her well-known male friend, Sugiyama, to accompany her on a date and identify where she consistently makes mistakes.