Yozakura-san Chi no Daisakusen

After losing his family, a high school student Taiyou Asano became socially inept and had no one to care about. He just properly interacted with his childhood friend, Mutsumi Yozakura and she belongs to a high-class spies family. Her life is very valuable and for that, her elder brother is overprotected of her. Taiyou has to win the heart of her brother and make sure that she will be safe there. For that, Taiyou went out on a journey to become the best Spy in the world so he would protect his wife from all the evil behind them. In his journey, he got to know various events like Knowing the dark secrets about her family.