suwa yasai, komeiji satori, touhou, commission, highres, second-party source, skeb commission, 1girl, :d, ;d, ahoge, arm support, beach, bikini, black hairband, blush, breast suppress, breasts, day, disembodied linked eye, grin, hair ornament, hairband, heart, heart hair ornament, looking at viewer, medium breasts, navel, one eye closed, open mouth, outdoors, pink bikini, pink hair, red eyes, short hair, side-tie bikini bottom, sitting, smile, solo, swimsuit