From Deeps Anthology. A high-schooler meets a teacher while smoking at a park. Later they begin an intense sexual relationship which keeps the teenager on the edge of pleasure.
From Erotoro 18: Hatsukoi Anthology Yousuke kissed his best friend Kazuichi when they were just kids. Years later he decides to confess, but things get complicated when Kazuichi starts teasing him
A small collection of papers by sensei featuring Coyote, Nemuri Otoko to Koi Otoko and Pet Contract.