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

The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat is a light novel series that received an anime adaptation which aired in 2021.

The story follows an unnamed old man who was the world's greatest assassin but has finally decided to retire. Unfortunately, before he could do so, he finds himself betrayed and killed by the organization that he served. Filled with regrets, he then finds himself in an audience with a goddess impressed by his skills. She offers for him to be reincarnated in another world on the condition that he prevents that world's destruction by slaying its hero. Accepting the goddess' request, the man is reborn as Lugh Tuatha Dé, the son of a family of aristocrat assassins serving the Alvan Kingdom.

Episode 2
Lugh strips on his father's command.

Episode 3
Dia unbuttons Lugh's shirt.

Episode 4
Lugh trains alongside his father.

Episode 5
Lugh appears naked in the eyecatch.

Episode 3
Lugh performs a checkup on Beruid, and is also seen shirtless.

Episode 9
Lugh changes his shirt.

Episode 10
Lugh visits a deserted island, and enjoys a pool with Dia.

Episode 12
Lugh is naked in the eyecatch.