A cute girl who loves sex, even though she should be shy about it. She introduces her friends to participate in this perverted project that connects them forever as erotic girls! This time, Serina-chan appears! Tall and slender at 170 cm or more, with over 120 sexual partners - she's not ashamed to admit it! When she reaches orgasm, she squirms like a prawn. Let's enjoy ourselves right away at the hotel!