LF Mono Source: 1girl, 1boy, sweating, blushing, short haired, nude, "Hnn... You're so cute, Yukinya.", "Fuu...", "I'm gonna let it out inside you.", "uu...u", "Guh..."
LF color source: 1girl, 1boy, sex from behind, looking up, blush, open mouth, long hair, blue hair, tongue, hair ornament, yellow eyes, eyebrows visible throught hair, hair between eyes, indoors, trembling.