This role-play is performed by adults. My mother, who raised me and my brother single-handedly after my father died five years ago, was the most important person to me. However, even before my brother returned home after working in Tokyo, I always felt like my mother wasn't her usual mother. ``I bought better meat today than usual. Your brother likes beef stew, right?'' He didn't seem to care about me at all. For some reason, there was a strange atmosphere between him and his brother. And I saw it. I saw my mother happily holding my brother's things in her mouth in the bathroom...