The beggining part is what im finding for but the latter part of the MC working together with the girl inventing, i think that's a different novel...
The story was like, MC met ML a few times coincidentally, Around the beginning arc, MC was on a student exchange in another country when his...
Try reading "offered into marriage" Its light to read since there isnt much drama and the child was so cute after it was born!! To the point that...
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