When the reader is de-aged by an unusual Curse Nanami Kento is forced to raise you, and grieve the absence of his fiancée (you) at the same time. Seven years previously Nanami:"So what you're saying is she went on a practice mission with Inumaki and Gojo, and now she's.." Shoko:”A child? yes, I imagine this will wear off within a couple of days But in the meantime congratulations, You have to be a daddy until then” Nanami was extremely confused, he needed to take care of you whos now a child