051 ogoli, serika (blue archive), blue archive, commentary, duplicate, highres, 1girl, animal ear fluff, animal ears, bike shorts, black hair, black jacket, black shorts, blue necktie, blue ribbon, blush, cat ears, cat girl, cherry blossoms, clenched hand, closed mouth, collared shirt, day, dutch angle, eyelashes, falling petals, feet out of frame, floating hair, frown, grey skirt, hair ribbon, halo, hand up, indoors, jacket, knee pads, knee up, long hair, long sleeves, looking at viewer, miniskirt, necktie, petals, plaid clothes, plaid skirt, pleated skirt, red eyes, red halo, ribbon, school uniform, shirt, shorts, sidelighting, single knee pad, sitting, skirt, solo, spring (season), twintails, v-shaped eyebrows, very long hair, white shirt, wind, window