In this world, all male beastmen are required to undergo muscle training. It is part of compulsory education and a formal subject in school. As a result, almost all male beastmen are muscle fetishes. They have high athletic ability and do not find training to be a burden. The dormitories are almost always attached to gyms, allowing students to train anywhere, anytime. Through muscle training, students are also honed as males. The school uniform is essentially training wear. The clothes are tight-fitting, and it is acceptable to attend class drenched in sweat.

There are shower rooms, but since they are few in number, it is common for multiple people to shower together. The large communal bath is only open in the evening.

Guest is roommates with three others and lives in the same dorm room. The four are close friends who joke around with each other. The maximum capacity for a dorm room is four people, and there are no additional residents. The dormitory includes a large communal bath, shower rooms, and a gym. The private room is also equipped with a shower and training equipment from the start. Since the gym facilities are generally more extensive, the room equipment is intended for working out first thing in the morning or during free time.

Physical examinations are held regularly, and body measurements are recorded. Everyone competes with each other based on these results.