happy elements, isara mao, ensemble stars!, game cg, official art, third-party source, 1boy, arm up, bangs pinned back, ceiling light, chair, closed mouth, couch, curtained hair, dart, door, feature scout 2 (ensemble stars!), fingernails, green eyes, hair ornament, hairclip, high collar, holding dart, indoors, jacket, layered clothes, long sleeves, looking at viewer, male focus, open clothes, open jacket, poster (object), red hair, short hair, smile, solo, split mouth, table, upper body, window