The first best of Mai Mai Ushio, the "younger sister" who combines both youth and maturity, is finally here! With her cute face, fair skin, slender figure and beautiful breasts, she is one of S1's best all-rounders, who can create high-quality works in any role, be it S, M, slut, seduction, or NTR drama! Before filming, she always studies similar works, and always does her best to create a good work, so please enjoy these 10 titles that are 120% complete.