Sakashita-sensei no Henai Shidou

"To the point I want to lovingly lick your entire body." Leo's either late or missing when the school bell rings. He doesn't even care when teachers yell at him. That is until the mathematics teacher known as Mr. Sakashita takes notice of him... and threatens to expose a secret of Leo's that he's kept hidden from everyone! Leo is faced with a decision... come to the office when Mr. Sakashita calls and submit to his desires, or have his secret exposed. As the days pass, his body becomes more sensitive to the touch, and Leo grows used to Mr. Sakashita's lust... Then... an obsessive teacher and his play toy who's obsessed with cleanliness... both yearning for love...

(Source: Amazon)