The shocking truth that Tetsuya learned when he got back from school makes him speechless. The person he hadn't met for years are now standing in front of his house. Who was the guy and what kind of relation they had? [REVIEW] Warning: I'm not good with English since it's not my mother language. So, please bear with any error I have. Disclaimer: KnB own by Fujimaki Tadatoshi! I simply own the plot only!