to heart, to heart (series)
kurusugawa ayaka, kurusugawa serika
shichimenchou
2girls, :d, beach, blue eyes, blue hair, blush, breasts, embarrassed, frown, impossible clothes, large breasts, long hair, lying, multiple girls, on side, on stomach, one-piece swimsuit, open mouth, outdoors, school swimsuit, siblings, sisters, sketch, skin tight, smile, swimsuit, water