safebooruhttps://safebooru.org/index.php?page=atom&tags=1girl a c bb arm up blonde hair blue sailor collar blue skirt breasts cardigan character name closed eyes commentary dated english text hand up happy birthday highres idolmaster idolmaster shiny colors long sleeves open mouth plaid plaid skirt sailor collar sailor shirt school uniform serizawa asahi shirt short hair skirt sleeves past wrists small breasts smile solo white shirt yellow cardigan2024-05-22T14:07:50Zsafebooru