2boys, age_difference, bara, blush, boogeyman_(housamo), briefs, brown_hair, chalkboard, classroom, collared_shirt, facial_hair, goatee, grabbing, heart, indoors, large_pectorals, long_sideburns, male_focus, male_underwear, mature_male, multicolored_hair, multiple_boys, muscular, muscular_male, necktie, orange_hair, partially_unbuttoned, pectoral_cleavage, pectoral_grab, pectorals, protagonist_3_(housamo), red_eyes, red_male_underwear, safu_(maimai3737), scar, scar_on_face, shirt, short_hair, sideburns, smile, surprised, teacher_and_student, thick_eyebrows, tokyo_afterschool_summoners, two-tone_hair, underwear, undone_necktie, undressing_another, upper_body, yaoi