Create thick sperm with one month of abstinence! - Satoshi and Misato are a couple who want to have a c**. - The two decided to try a method they had seen on the internet and went celibate for a month. - Satoshi, who was even forbidden to masturbate, became more and more sexually active day by day... until he finally got an erection that made him push up his clothes. - Satoshi tries to hold on until the promised day...but he doesn't notice that his mother-in-law, Mio, is watching him with envy. - Unbeknownst to Satoshi, danger is approaching...