os-tan
7-tan, nanao-kun
u-suke
1boy, blue hair, bulge, flaccid, hair over one eye, male focus, midriff, name tag, navel, necktie, one eye closed, otoko no ko, red eyes, short shorts, shorts, smile, socks, solo, thighhighs, uniform, v, yellow shorts
bad id, bad pixiv id, highres