karubi (karubi465558), oyama mahiro, oyama mihari, onii-chan wa oshimai!, commentary, highres, 2girls, :d, :o, @ @, ahoge, belt, black hair, black skirt, blush, brown eyes, drunk, glomp, hair ornament, hairclip, heart, heart-shaped pupils, hug, lab coat, long hair, long sleeves, multicolored hair, multiple girls, open mouth, orange eyes, pink background, pink hair, purple hair, red shirt, shirt, short sleeves, siblings, simple background, sisters, skirt, smile, symbol-shaped pupils, twintails, two-tone hair, v-shaped eyebrows, very long hair, wavy mouth, white shirt