Daisukina kanojo ga shin'yū ni netora retanode, yande futari ni fukushū shimasu. (Associated Names)

I found out that the girl I had loved for a long time was being cheated on by the friend I had always trusted. Of course, I was broken. However, I couldn’t help but wonder why I had to be the one hurt. So, I decided to seek revenge on the two of them. This…