The boy finds himself in yet another research institute. This time tormented by cleaning brushes and magic hands! Even his friend joins in on the action.
Upon parents remarrying, two sons become elder and younger brother... and the elder brother (not so secretly) watches his new little brother masturbate every night.
Male students take accommodation at an old inn where a creature of folklore Akaname haunts. Their whole bodies are licked by a countless number of invisible tongues...
Since beginning his journey Gran has made a lot of friends. He happy but... sometimes he wonders whether their level of physical contact is appropriate...