In Volume 24, Team Slash Dog joined forces with Team Red Dragon Emperor of the Blazing Truth to protect the Fafnir Stadium from the Grim Reapers led by Thanatos, who came to capture Koneko Toujou and Kuroka to acquire the data of Super Devils.
In True Volume 1, Team Slash Dog arrived to the floating city of Agreas for the lineups for the main stage of the tournament and learned they will face against Team Trump Card of Heaven led by Dulio Gesualdo.
- Azazel Cup: Team Slash Dog vs Team Trump Card of Heaven
Known members of Team Slash Dog
|Tobio Ikuse||King||The leader of the Slash/Dog Team and the wielder of the Longinus; Canis Lykaon. He is the cousin of Akeno Himejima and Suzaku Himejima, and a top fighter agent of the Grigori, one of the few people who can force Vali Lucifer into using Juggernaut Drive.|
|Lavinia Reni||A magician who is a member of the magicians' association; Grauzauberer, under Mephisto Pheles as well as the wielder of the Longinus; Absolute Demise. She serves as a member of the Slash/Dog Team and has taken Aika Kiryuu and Mil-Tan as her students to teach them magic. She shares a sibling relationship with Vali.|
|Natsume Minagawa||A agent of the Grigori and a member of Slash/Dog team. She wields a unnamed independent avatar Sacred Gear that takes form of a hawk, which carries the spirit of Qióngqí; the Fiend of Deviousness, whom she has named Griffon.|
|Kouki Samejima||A agent of the Grigori and a member of the Slash/Dog team. He wields a unnamed independent avatar Sacred Gear that takes form of a white cat, which carries the spirit of Táowù; the Fiend of Ignorance, whom he named Byakusa.|
|Shigune Nanadaru||A agent of the Grigori and a member of Slash/Dog team. She wields a unnamed independent avatar Sacred Gear, which carries the spirit of Tāotiè; the Fiend of Gluttony, which is the strongest among the Four Fiends, whom she named Poh.|
- Their team name for the Azazel Cup, Team Slash Dog is in reference to Tobio being their team leader.
- The team received support from the Japanese Gods.
- Light Novel Volume 25, Qualifying Team