soutou, ah-kun, oni-kun, pastel ink, pen-kun, moetan, 00s, 1girl, asymmetrical clothes, blue eyes, blue hair, blush, checkered floor, detached sleeves, dutch angle, eraser, floor, hat, one-piece swimsuit, open mouth, outstretched arms, pencil, perspective, saliva, school swimsuit, short twintails, single thighhigh, spread arms, swimsuit, swimsuit costume, thighhighs, twintails, white one-piece swimsuit, white school swimsuit, wooden pencil