The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat (2021)

S1E5 Qualifications of Assassins

The Tuatha Dé family, known for their dual roles as esteemed doctors and covert assassins, serves as the kingdom's trusted allies. Lugh, groomed to be his father's successor, aids him in their critical missions. Yet, not everyone is pleased with Lugh's rise to prominence. Faced with opposition, he must stand his ground and prove his worth in a formidable challenge against those who seek to undermine him.