'I was positive that if I left, one of those guys would make a move. I thought Aki or Mamoru would jump for the chance, but those guys didn't. I understand why Aki didn't; it seemed Sumire already turned him down twice. But why didn't Mamoru do anything?'
Yuhi already knew the answer to his own question. From the very start, it was Mamoru who openly supported and encouraged him to confess to Sumire. Yuhi knew that Mamoru also had feelings for her, so he always wondered why he was doing that.
"Atushi and I had encountered Nagawa Sano several times before he dated Sumire; that was why we knew. We knew that he was not a good person. Once, we saw him exiting a hotel room with a girl. He was dragging her with what looked like a collar after doing it with her. Her body badly bruised, and he practically tossed her out onto the bushes. Atushi and I helped the girl; we had to ask Atsuro, however, because she couldn't go to the hospital."