Kazuki Yasaka, a second-year middle school student. He used to love soccer and used to have a bright personality.

Spoiler

Due to the feeling of guilt of causing his step-brother to lose his ability to walk in an accident, he desperately seeks redemption in the form of "connecting with his brother" by crossdressing and pretending to be Azuma Sara, a local idol and his brother's favorite idol and talk to him everyday without fail through "Lucky Item Selfies".