Rule 34 Dev - 2boys bad_id bad_pixiv_id bath bathing bathroom bathtub black_hair dandalian eye_contact gintama greyscale hijikata_toushirou imminent_penetration indoors justaway looking_at_another male_focus monochrome multiple_boys nipples nude partially_submerged rubber_duck sakata_gintoki same-sex_bathing shared_bathing stool water yaoi|13251365244