LF Mono Source: 4girls, short hair, twintails, school girl, implied incest, cropped, "all my friends say they'd never ever have sex with their brother!", "with my brother? no way", "that's gross!", "yeah right?"
LF Mono source: 1boy, 1girl, “Shizuka’s my girlfriend! So don’t go acting too friendly!”, blush, black hair, open mouth, dyed hair, possibly licensed, bikini
