2girls, ahoge, black hair, blush, bookshelf, brown eyes, caught, colored inner hair, frilled shirt collar, frills, grey hair, hair between eyes, hair ornament, hairclip, indoors, long hair, long sleeves, multicolored hair, multiple girls, neck ribbon, peeking out, pink hair, pink shirt, puffy long sleeves, puffy sleeves, purple hair, red ribbon, ribbon, shirt, siblings, sisters, skirt, skirt hold, smile, solo focus, twintails, two-tone hair, white skirt