ヒヤマケンタロウの妊娠 育児編 [Hiyama Kentarō no Ninshin: Ikuji-hen]

ヒヤマケンタロウの妊娠 育児編 [Hiyama Kentarō no Ninshin: Ikuji-hen] is a 1-book series first released in 2023 with contributions by Eri Sakai.