Migawari Inkou Seikatsu ~Shin'yuu o Mamoru Tame, Gedou Kyoushi no Iinari ni Naru Yuutousei "Ema"~

By day, Hanabusa Sousuke is a sincere and gentle English teacher, but by night, his hobby is trolling a prostitution site for girls. One day, he spots one of his students on the site. Hiding his identity, he calls her out at night to threaten her. However, the one who appears at the meeting spot is the beautiful honor student Tsukinari Ema—her classmate shared the issue with her, and she bravely came alone to confront the coercer. Sousuke shifts his target to Ema. Despite her courageous struggle to save her classmate, Sousuke's cunning ensnares her, awakening her latent masochistic side…