GOBLIN REIJOU TO TENSEI KIZOKU GA SHIAWASE NI NARU MADE
Other names: ゴブリン令嬢と転生貴族が幸せになるまで 婚約者の彼女のための前世知識の上手な使い方, Goblin Reijou to Tensei Kizoku ga Shiawase ni Naru made: Kon’yakusha no Kanojo no Tame no Zensei Chishiki no Jouzu na Tsukaikata, Goblin Reijo to Tensei Kizoku Ga Shiawase Ni Naru Made Konyaku Sha No Kanojo No Tame No Zensei Chishiki No Jozuna Tsukaikata