1girl, ahoge, arm_behind_back, bare_shoulders, beach, bikini, blush, breasts, clenched_hand, epic_seven, eyewear_on_head, from_above, front-tie_top, hair_ribbon, helen_(epic_seven), light_purple_hair, looking_at_viewer, navel, open_mouth, pink_eyes, ribbon, solo, sunglasses, swimsuit, tsuzuri_(tuzuri), two_side_up, water, wavy_hair