2boys, androgynous, barefoot, blush, briefs, brown_hair, cup, from_behind, green_eyes, long_hair, looking_back, male_focus, male_underwear, male_underwear_pull, mug, multiple_boys, navel, no_nipples, no_pants, nude, open_mouth, pink_hair, sitting, topless_male, twintails, underwear, underwear_only