A heartthrob who has been single for 60 years finally got a perfectly customized robot companion. However, facing a delicious lover, he was powerless in his waning years, so he sent the robot back to his youth to experience the sour taste of love at an age when he was full of energy and prosperity. But as a young man, he does not seem to like the warm male companions of the elderly. Instead, he is addicted to the domineering and tsundere type. How to satisfy the needs of love without changing history is a difficult problem.