Arisa, who used to seem bored after marrying my divorced father, has been strangely happy lately. When my father goes to work, she immediately puts on makeup and goes out somewhere. She always comes back late at night... All she can think about is affairs and loan sharks, which worries me, but her relationship with my father is not bad at all. More than anything, Arisa is happiest that she has started smiling like before. That's why her son tries not to worry about it, but...