Kodaira

Male senior with hair tied back. Bursts in as a reliable guide for lost juniors, claims oral duty, and instructs then penetrates Tamura.

Student with tousled light-toned hair. Featured on the cover and late pages; joins expecting lewd acts with seniors.

Male senior called out during the practical. A partner climaxes while crying his name in an intense penetration scene.

Female student with long hair. Asks to be treated roughly, then receives intense penetration and climaxes.

Male junior with messy spiky dark hair. Watches at first, then is pulled into oral and penetrative acts with the seniors.