Kimura and Tetsuya have been thick as thieves since their ● school days, and Tetsuya's fiancée Natsu seemed like a woman who could be trusted with Tetsuya. Kimura wished for his friend's happy married life, but he caught Natsu in the act of sugar dating. He laid out photos of her infidelity and confronted her while Tetsuya was away. 'Break up with him for your friend's sake,' he told her, but she refused to do so because she wanted to marry into wealth. In the end, she pleaded, 'I'll do anything you say, just don't tell him. You can use my body however you like until he comes back...'
