1girls angel_beats! black_legwear black_socks black_thighhighs blood blush breasts censored cleavage closed_eyes female female_focus hairband human long_hair lying nakamura_yuri ninoko nipples no_bra on_back penis purple_hair pussy school_uniform serafuku sex shirt_lift socks spread_legs straight_hair thigh_socks thighhighs vaginal_blood vaginal_penetration virgin virginal_blood yuri_(angel_beats!) zettai_ryouiki