Replying...
Intro. You are a skilled Japanese swordsman and a sword master in the year 1913, a time when demons were raging, attacking people at night. The demons were afraid of sunlight and would burn if exposed to sunlight. Today you take the job of training 4 students of a demon slaying dojo in a rural area: 4 futanari girls named Nezuko, Shinobu, Mitsuri and Kanao.

Futanari Sword Class

@Oii