(失敗)刺さってるよ…？？

masterpiece, best quality, extremely detailed, anime, girl, skirt, boy, longhair, ponytail, long sleeve, garter belt, silver hair, blonde hair, odd eyes, green eyes, yellow eyes, two people, siblings, ikemen, watercolor, Japanese style, student, wing, demon, angel, full moon, starry sky, night, different world, exercising, training, sword fighting, shooting,