2boys, abs, arm_hair, bara, blush, body_hair, brown_hair, chalkboard, classroom, closed_mouth, clothes_lift, clothes_pull, desk, erection, foreskin, from_side, hairy, indoors, large_pectorals, large_penis, looking_at_another, male_focus, manly, multiple_boys, muscular, muscular_male, open_mouth, pants, pants_pull, pectorals, penis, phimosis, pointing, pointing_at_self, shade, shirt, shirt_lift, short_hair, sideburns, spiked_hair, standing, sweatdrop, testicles, track_pants, white_shirt, yaoi