2girls, :d, black hairband, black headwear, blouse, blue shirt, blurry, blurry background, blush, book, bookshelf, bow, bright pupils, buttons, couch, frilled shirt collar, frilled sleeves, frills, green eyes, grey hair, hair ornament, hairband, hands on another's shoulders, hat, hat bow, heart, heart button, heart hair ornament, heart of string, holding, holding book, koishi day, long sleeves, looking at another, medium hair, multiple girls, on couch, open book, open mouth, parted lips, pink hair, pink skirt, red eyes, ribbon trim, shirt, short hair, siblings, sisters, sitting, skirt, smile, sweatdrop, teeth, third eye, white pupils, wide sleeves, yellow bow, yellow shirt