Light Novel Paperback Size She is the strongest daughter-in-law in the different world, but it seems that I am stronger in the battle of the night. A Rem Senki (3) / シンギョウガク Monster Library
※Please note that product information is not in full comprehensive meaning because of the machine translation.
Japanese title: ライトノベル文庫サイズ 異世界最強の嫁ですが、夜の戦いは俺の方が強いようです ~知略を活かして成り上がるハーレム戦記~(3) / シンギョウガク モンスター文庫