Umi Yatsugake, a PRESTIGE exclusive actress, uses her amazing techniques to render men powerless! A plan starts where she is given a camera and cannot return until she has f**ked all the male surfers staying at the inn. She greets customers as an employee wearing a yukata! First, she serves homemade curry and entertains the surfer men! She barges into the large bathhouse and gives fellatio to the naked men! At night, she sneaks into the guest room and engages in a big orgy of 5P! In addition, she also guides the old man from the nearby fish shop who came to deliver fish to ejaculation with cowgirl-style torment at the entrance! A 36-hour documentary of Umi Yatsugake squeezing out the semen of sea men!