rotte (1109), morichika rinnosuke, touhou, touhou lostword, game cg, highres, official art, third-party source, 1boy, ahoge, alternate costume, black choker, blue shorts, choker, closed mouth, collarbone, flip-flops, floral print, glasses, grey hair, hand in pocket, hawaiian shirt, looking at viewer, male focus, medium hair, multicolored shirt, navel, open clothes, open shirt, print shirt, sandals, semi-rimless eyewear, shirt, short sleeves, shorts, solo, toes, toned, toned male, transparent background, under-rim eyewear, yellow eyes