aria (sister princess), chikage (sister princess), haruka (sister princess), hinako (sister princess), kaho (sister princess), karen (sister princess), mamoru (sister princess), marie (sister princess), rinrin (sister princess), sakuya (sister princess), shirayuki (sister princess), yotsuba (sister princess), sister princess, game cg, 00s, 6+girls, bikini, blonde hair, blue hair, multiple girls, onsen, orange eyes, orange hair, pink hair, purple eyes, purple hair, red eyes, red hair, swimsuit