Wisdom, who had to live with his father-in-law and younger brother due to his mother's remarriage, had lived with his mother for a long time, but he was happy to have a new father because he seemed happy. However, the wisdom of trying to get along with her father-in-law's stepchild, Satoru, is difficult to understand. Such an act of wisdom gave Satoru the misunderstanding that "my sister-in-law has a liking for herself ..." and left it to the young impulse to push down her wisdom and try to make it her own.
