Ookami-san wa Taberaretai Episode 1

"I want Akagashira-sensei to be my first!" Having a run in with the "skirt bandit," Ookami almost has her skirt stolen. Her teacher, Akagashira, passes by and becomes her hero after stopping the theft. As thanks, Ookami invites Akagashira to her home, but she has another reason for bringing him over. (Source: WWWave Corporation, edited)