Masahiro lives with his father after his mother passed away. Masahiro is living a NEET life because he is unable to balance work and childcare with his single father. At that time, Anna, whose father remarried and became her mother-in-law, arrives. Anna, who was stunned to see her father and son's run-down house, started by cleaning Masahiro's room to improve his life. However, Masahiro, who entered his territory and raised her repulsion, plotted to harass her to push her away.
