Nanase-kun wa Ubu Janai. At long last, Kayoko Akizuki, the mother of Airi and Marina, has returned home to her husband, Kouzou. Now recruited into the ranks of SEES, he begins fighting alongside his comrades, as only they can protect humanity from Shadows and prevent the anomaly that is the Dark Hour. Taking place in the Sengoku Period, Rantarou, Kirimaru and Shinbei are young students at Ninjutsu Academy, a school that teaches all kinds of youth how to become ninjas. Following the birth of their first son in , the couple had their first daughter in , the second son my father was born in and the second daughter in
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