1girl, aqua neckerchief, blue sailor collar, blue sky, brown hair, chalkboard, classroom, clock, closed mouth, day, desk, earphones, from side, hand on own cheek, hand on own face, head rest, indoors, kitauji high school uniform, light blush, looking afar, looking ahead, mountainous horizon, neckerchief, ponytail, profile, purple eyes, sailor collar, school desk, school uniform, serafuku, short sleeves, sky, smile, solo, summer uniform, sunlight, upper body, wall clock, white serafuku, window shade, windowsill