Taiyo Asano has been on his own ever since his parents died and the only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret—she is the head of a family of spies! And on top of that, her brother Kyoichiro is dangerously protective of her! To stop Kyoichiro from killing him, Taiyo and Mutsumi must take the ultimate leap—marriage! Because in the Yozakura family, family cannot kill family.
Seasons & Episode
Shy student Taiyo's life is threatened when his vice principal reveals a dark secret.
Taiyo and Mutsumi wed despite Kyoichiro's interference. Bomb threat leads to Taiyo's first mission.
Taiyo's training leads to a hellish life at the Yozakura Mansion, causing anguish for Matsumi.
Mutsumi catches Kengo's incomplete report, igniting a spy game of tag as she tracks him down...
Hotokeyama arrests Taiyo and interrogates him about Mutsumi but lacks proof.
Obsessed stalker Ayaka transfers to Taiyo's class, and aims to kill her crush after a data leak.
Nanao eats a bioweapon while undercover; Taiyo joins the hunt, unaware it's to kill Nanao.
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