Asia Argento

Asia Argento is one of the main female protagonists in the anime/light novel series High School DxD.

She is a kind-hearted, gentle, and innocent former nun (originally from Italy) who possesses a rare Sacred Gear called Twilight Healing, which allows her to heal wounds of humans, angels, fallen angels, and devils alike.

After a tragic event where she is killed and then revived as a reincarnated devil, she becomes a member of the Occult Research Club. She serves as a Bishop in Rias Gremory's peerage initially, and later becomes Issei Hyoudou's Bishop and one of his fiancées.

Asia is known for her shy, pure personality, deep faith (she still prays despite being a devil, which causes her pain), and supportive role as the group's primary healer. She's often seen as adorable, naive, and protective of her friends, especially Issei.