Before the Flame Burns Out

Everyone thought they knew Takuya, but what if they were wrong? Who is the boy that watches him from afar, carrying worried looks as he does? Why does it seem Takuya has a new bruise each week?

or

In which Takuya has been bullied for a long time and doesn't tell his team. Takuya's friend since childhood, Takato Matsuki, is also out of the loop, but he has his suspicions. Everyone is trying to get Takuya to open up about what is exactly happening to him, but he's being stubborn.

Sequel to Brothers Until the End, read that one first to understand a few of the parts that kind of wouldn't be able to work without reading at least the first chapter.