[300MAAN-014] Get all the answers right in 10 minutes and win 100,000 yen! Aim to be the JK Memory Queen like fair-skinned beauty Rena. She dreams of going on a trip during summer vacation with the prize money, but instead experiences intense pleasure instead of memorizing. She demands to be penetrated quickly and the game ends. Does she enjoy being on top? She moves her ps vigorously...