俺の地元が少子化対策のための種付け自由区画に指定されたので俺を振ったクラスメイトの母に種付けをした話

“Since My Hometown Was Designated a ‘Free Breeding Zone’ as a Countermeasure to the Declining Birthrate, I Ended Up Impregnating the Mother of the Classmate Who Dumped Me.”