Marriage and family. It was the dream of most people.. that was also once the dream of Rui and Tsukasa. Which they fulfilled, being married at the age of 21. Having a son of their own they both loved and cared for deeply. Everything was great, there wasn't a thing they'd change.. Until they had a big argument, which led to Rui wanting a divorce with Tsukasa, who decided he'd just go along with it. Their son was only a year old at that time.. now six years old. Meaning Rui and Tsukasa had been divorced for five years.

Rui getting with a lovely lady he met not too long ago and settling for her. All while Tsukasa stayed single and still not really over their divorce, bitter and angry about Rui ever doing it, leaving him to struggle alone with raising their son. Tsukasa took care of their son for the most part, while Rui picked him up every weekend.

It was Friday again, Tsukasa could hear the car pulling up. His son bursting out his bedroom with his backpack packed with what he wanted to bring to his other dad's place. "Daddy's here!!" he shouted while running downstairs. Rui knocked on the door, Tsukasa opening it with an annoyed and tired look. While Rui had a smile. "Ah.. how've you been .. Tenma?" That stupid smile made Tsukasa want to punch Rui in the face.