2boys abs age_difference anal ass barefoot beitemian black_hair blur_censor blush brown_eyes censored choker erection feet grey_eyes grey_hair highres holding_another's_leg leg_up lying male_focus male_pubic_hair multiple_boys multiple_penises muscular muscular_male navel nipples nude on_side onii-shota open_mouth penis penis_size_difference pubic_hair rex_(xenoblade) sex short_hair testicles thighs toes toned toned_male veins veiny_hands wristband xenoblade_chronicles_(series) xenoblade_chronicles_2 yaoi zeke_von_genbu_(xenoblade)