Even if I ejaculate 10 times a day, I won't stop until I reach climax. (Misaka Saki, MIDD-906)

A man and woman who abstained from sex for a month before their trip to the South. Upon arriving at a deserted beach, they unleashed their pent-up sexual desires! Drive every part of their bodies to achieve an erection and guide him to ejaculation! Of course, one ejaculation is never enough...?