mutsuki (moonknives), kamio haruko, kamio misuzu, kirishima kano, kunisaki yukito, michiru (air), toono minagi, air (visual novel), key (company), 00s, 1boy, 5girls, bikini, bikini under clothes, blonde hair, blush, breasts, cleavage, cooking, day, everyone, front-tie top, grill, grilling, large breasts, medium breasts, multiple girls, old school swimsuit, one-piece swimsuit, one eye closed, open mouth, playing, school swimsuit, side-tie bikini bottom, smile, splashing, string bikini, striped bikini, striped clothes, swimsuit, swimsuit under clothes, underboob, water, wink