King's Raid: Ishi wo Tsugumono-tachi

Kasel, a young knight apprentice, sets out to rescue his friend Clause after he goes missing on a scouting mission to investigate demon sightings in the Orvelia forests. This event is the first sign of demonic activity in over a century, threatening humanity's long-standing peace. Kasel is unaware that he has a direct connection to this crisis, as he is the son of the legendary King Kyle who defeated the demon king Angmund.