Izumi observes his mother preparing dinner, noticing the strain in her marriage. He witnesses constant fighting and lack of affection between his parents, leading to his mother sleeping in his bed. He resents his father’s treatment of his mother and believes she deserves better. He confronts his mother about her marriage, questioning why she remains with his father despite his infidelity and mistreatment. Izumi’s concern for his mother’s well-being drives his actions.