Rule 34 Dev - 1boy aqua_eyes aqua_hair belt black_hair black_pants blue_hair calico cat cat_on_chest colored_tips cowboy_shot dappled_sunlight day demon_slayer_uniform hana_ni_nare highres kimetsu_no_yaiba long_hair long_sleeves looking_at_viewer lying male_focus multicolored_hair on_back on_floor pants porch sleeping streaked_hair sunlight surprised tokitou_muichirou veranda very_long_hair wide_sleeves wooden_floor|18373243941