Chained Soldier manga volume 2 features story by Takahiro and art by Yohei Takemura.

Yuuki’s barely had time to get used to his new role as slave-cum-caretaker when the 7th squad sorties to eliminate a nest of contemptibles. Awaiting them there is Unihorn, the monster responsible for destroying Kyouka’s hometown, as well as a girl with a familiar face…!