1boy 1girl akane_(goma) akira_(goma) bare_shoulders barefoot blush braid breasts brother_and_sister brown_hair brush bunny cleavage goma_(11zihisin) hair_bun hair_ornament hair_ribbon hairclip hat heart highres long_hair nightgown off_shoulder open_mouth original pajamas ribbon seiza short_hair shorts siblings sitting smile souta_(goma) stuffed_animal stuffed_toy tank_top trap yellow_eyes