chonbo (artist), hirasawa yui, okazaki ushio, clannad, k-on!, bad id, bad pixiv id, 00s, 2girls, aged down, brown hair, castanets, child, closed eyes, comic, crossover, dancing, dixie cup hat, dress, forehead, hair bobbles, hair ornament, hat, high ponytail, instrument, kindergarten, kindergarten uniform, military hat, multiple girls, ponytail, sailor dress, school uniform, short hair, topknot, un tan