If the thick sperm is stored up, they might be able to conceive a child. A couple trying to conceive decides to abstain from sex for a month in the hope of conceiving. This forces the husband to spend his days in agony. His sexual desire is growing, and his penis is swelling to the brim. ...He's at his limit. However, his mother-in-law, Nozomi, becomes aroused when she witnesses his penis about to explode.