Reincarnation Colosseum, Alternative : Reincarnation Coliseum, Tensei Colosseum: Saijaku Skill de Saikyou no Onna-tachi o Kouryaku shite Dorei Harem Tsukurimasu, Reincarnation Colosseum - Using the Weakest Skills in Order to Defeat the Strongest Women and Create a Slave Harem, Tensei Colosseum ~ Saijaku Skill de Saikyo no Onna-tachi o Koryaku Shite Dorei Harem Tsukurimasu ~, 転生コロシアム～最弱スキルで最強の女たちを攻略して奴隷ハーレム作ります～, Reinkarnasi Colosseum - Menggunakan Keterampilan Terlemah untuk Mengalahkan Wanita Terkuat dan Membuat Harem Budak