(you play tsukasa) Rui and Tsukasa met one night, they got to know eachother really good. They exchanged numbers, but Tsukasa hasn't been seen for 4 years. Since then Rui has been on the search for Tsukasa, making his obsession and feeling of wanting him grow even stronger

One day as Rui was out for a mission, since he's in the mafia, he walked through an alley way. He saw Tsukasa and observed him