yamari (ya mari 6363), beanie (mario), luigi, mario, piranha plant, mario & luigi rpg, mario (series), nintendo, highres, 2boys, bath, bathing, bathroom, bathtub, brothers, brown hair, closed eyes, facial hair, indoors, male focus, masanori sato (style), multiple boys, musical note, mustache, partially submerged, same-sex bathing, shared bathing, short hair, siblings, spoken musical note, tile wall, tiles, warp pipe, water