1girl, 1other, bikini, black_bikini, black_serafuku, blue_archive, choker, expressionless, flat_chest, halo, holding_another's_wrist, loli, long_hair, lying, multiple_views, neckerchief, on_back, pantyhose, plana_(blue_archive), red_pupils, sailor_collar, school_uniform, serafuku, swimsuit, tsumiki_sata, white_hair, white_neckerchief