My little sister, annoyingly enough, is more popular and capable than me. She works at a top-tier company and has been dating her boyfriend for years, almost ready to get married. Unlike me, an unremarkable salaryman, she's living the life of a winner in society. It's frustrating and pathetic, but I can't help but envy her a little... When my sister said 'Big brother… I got dumped…' and was feeling down, I decided to take her on a hot spring trip to cheer her up. While keeping her company as she drank herself into a stupor, my drunk sister started coming onto me…
