GENIUS Spy accidentally marries a Heartless Assassin | Part 3 

Anime Recap | Part 3
Summary:
Westalis' best agent Twilight is given a very important mission to get close to Ostania's opposing party leader, Donovan Desmond. He is believed to be the biggest obstacle between the truce of Westalis and Ostania.
And because of his careful nature, Twilight is required to have a fake family under the name Loid Forger. With whom he is required to enter the Eden college. However, unknowingly he adopts a child with telepathic powers. And marries a beautiful woman who is actually a coldblooded assassin.