Just after the breakup, I was informed that I had a baby, twins, a baby and a baby. The daddy system was suddenly connected. From then on, I started to live a happy life with a wife and children, a doting wife and children.
Reborn as a senior in high school, he meets his childhood sweetheart again and starts a counterattack to become a top student. In this life, the protagonist changes the miserable life of the heroine, so that she no longer suffers the suffering she once experienced. The two go to each other and live a sweet life together.