Luna Takai, the most beautiful and strongest half, will take on the climax challenge! If you can hold out, the prize funds will be 1,000,000 yen! However, the rules are so strict that the prize funds is reduced by 10,000 yen for each time she climaxes. The prize funds is reduced by 10,000 yen for each time she climaxes. And then, two guys make Luna cum all over the place! Luna's body is naturally prone to orgasm, but when she climaxes after a few more orgasms, it leads her to a mental collapse!