Mission: Yozakura Family 4 Gondaira Hitsuji (2023)

Romance, a crazy overprotective brother and spies come together in this manga series. Taiyo Asano has been on his own since his parents died, and the only person who seems to care about him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret: she is the head of a family of spies. Her brother Kyoichiro is dangerously protective of her, so to stop him from killing Taiyo, Taiyo and Mutsumi must take the ultimate step and get married, since members of the Yozakura family cannot kill one another. After their latest mission, the two are invited to a Hinagiku hot pot event to celebrate their success. Surrounded by a lineup of scoundrels, can they finish their meal safely? Meanwhile, the mystery of the box Kuroyuri gave Taiyo remains unsolved, and a new girl has begun clinging to him. Could he really be cheating on his beloved Mutsumi?