[ゆーじぇにぃ] 少子高齢化が深刻化しすぎて出産が義務教育として取り入れられた世界に飛ばされたおじさんの話

[Kakoriri] The Story Of An Uncle Who Was Taken To A World Where Childbirth Is Compulsory Education Because The Declining Birthrate And Aging Populations Became Too Serious