Kagurabachi Vol.6 (Jump Comics)

Chihiro and Hakuri head to the National Prison, the sanctuary, to protect the holder of the cursed sword. On the way, they meet up with Urushiba, the holder of the "Shuyu" sword, but then they encounter Hiruhiko, a boy from the Dark Side. Hiruhiko has a strange friendship with Chihiro, even though they are enemies. The two boys, isolated from society, burn for each other's lives and clash. An extreme conspiracy surrounding the cursed sword begins to unfold.

Note: This is in japanese language