Ga-Rei: Zero, Kyoukai no Kanata Recommendations
Both have spiritual ability to fight off youkai/youma and fight with some level of a sword.
Also both belong to some tribe/group that trains and has spiritual power.
- Both deal with two individuals somehow intertwined by fate.
- Both deal with a form of demon-hunting.
Be warned, Ga-Rei: Zero is way darker than Kyoukai no Kanata.