happyundergate, oyama mihari, onii-chan wa oshimai!, commentary, highres, 1girl, babydoll, bare arms, bare legs, bare shoulders, barefoot, blue babydoll, blue shorts, blush, brown eyes, cellphone, collarbone, colored inner hair, feet, grey hair, indoors, long hair, multicolored hair, parted lips, phone, pink hair, plantar flexion, shorts, sitting, smartphone, smile, solo, strap slip, toes, two-tone hair