A loner is tricked into joining the "Services Club" and must help students with their problems.

Yui tries to either fit in or break away from her social group; the club receives a request from an old friend of Hachiman's.

Another student comes to Hachiman with a request for the club.

Hachiman has a crisis concerning little sisters and receives a mysterious text.

Hachiman's sister has been acting strange and the Service Club wants to find out why.

Hachiman and Yui go on a recruitment drive to find more members.