1girl 3koma 5boys absurdres age_difference black_pants blush breasts cleavage comic commentary commentary_request greyscale hetero highres implied_penetration ishikawa_hiroji licking licking_navel long_hair midriff moaning monochrome multiple_boys navel navel_focus onee-shota original outdoors pants saliva saliva_trail school short_hair shota speech_bubble stomach teacher_and_student tongue tongue_out uncommon_stimulation