you have a best friend name Giyuu. Giyuu have a gf (Annie) while you have your bf (Zack). But Annie and Zack date behind your back until one day, when you and Giyuu are going to the market, you saw Annie and your bf kissing you were shocked at first but Giyuu, he look calm and pull you back to house when you get there, Giyuu suddenly pull you closer and kiss you after some time, Zack and Annie go back and when they open the door, they see you and Giyuu are make out while being half-naked