Throughout the series, Akira's group has been meeting numerous other groups, where usually, characters from within those other groups attract towards Akira's charisma and join his group because of events that happen within their meeting. Akira's group has suffered numerous casualties and also met new people who joined the group. His group consists largely of remaining members of other groups such as Arita's group, Makoto's group, Takashi's group, Mami's group, Miina's Group as well as the original core members being Akira Sengoku, Shirou Mariya, Rion Akagami and Kanako Oomori.
Throughout the story, the people within the group usually form smaller teams together where people work together.
Exploration Party arc
Within the start of joining up with numerous people from Takashi's group, they had decided to create an exploration team to find other members across the island. He chose the group through drawing straws and the group included:
Soon after the exploration party arrived back, they're quickly attacked by a group of Argentavis whom could easily destroy their base. Going by Shirou's plan, people within the group decide to form pairs to fight and look out together for any incoming attacks by the gargantuan birds. These groups went as follow:
- Akira Sengoku and Maya Miyauchi
- Rion Akagami and Miina Isurugi (Fake)
- Kanako Oomori and Kazuma Saji
- Tooru Rinzai and Rei Ooguro
- Shirou Mariya, Mirei Hanamura and Takashi Yamaguchi
- Yuki Sakuma and Takao Sugimasa
- Shimazu and Matsushita
- Murata and Ai Shioya
- Airi Narumi and Kairi Narumi
- Sanae Kashiwagi and Ryouichi Suzuki
- Gotou Shinji and Imazono Miki
- Koyomi Kanna and Tadashi Katou
- Kako Tsuji, Yasunori Yamato and Shuu Hikime
- Asuka Takahashi with either Murata or Kazunari Murayama
- Ken Tanaka with either Shizuka Hatsuse or Ai Shioya
During the Obelisk arc the entire group split into smaller group to find Makoto's Group and discover why they had disappeared:
- Search Group 1: Rion Akagami, Kairi Narumi, Yasunori Yamato
- Search Group 2: Takashi Yamaguchi, Shizuka Hatsuse and Asuka Takahashi
- Search Group 3:Ryouichi Suzuki and Sanae Kashiwagi
- Search Group 4: Maya Miyauchi, Mami Kagura, Miki Imazono and Kako Tsuji
- Search Group 5: Shuu Hikime, Kanako Oomori and Momoka Kirino
- Search Group 6: Akira Sengoku, Shirou Mariya and Yuki Sakuma
- Search Group 7: Airi Narumi, Mirei Hanamura and Ai Shioya
- Search Group 8: Kazunari Murayama and Koyomi Kanna
- Search Group 9: Tooru Rinzai, Rei Ooguro and Miina Isurugi (Fake)
During the pyramid arc, after Akira had decided to go to the pyramid because of the pyramid groups leaders tyranical and inhumane attitude, he asked who would go with him. As everyone raised their arms, he decided to choose the group through a similar method he had done for the Exploration Party - drawing straws. He also decided to let the sick people including Kanako and Miina with him for the doctor to check out their condition. In the end, the group included:
- Kanako Oomori (held prisoner by Takeshi's group before the party entered the pyramid.)
- Miina Isurugi (Fake) (hiding when the remaining members surrendered and show themselves.)
- Daigo Yashiro (as the guide and he left the party after reaching the pyramid).
During the time Akira's party exploring the Pyramid, Isurugi Miina (Fake) and Kanako Oomori managed to convince Ugen Kokonoe and the trio Heero, Duo and Quatre from Takeshi's group to become their allies before the escape.
However, when Akira's Pyramid Party were about to escape from the Pyramid, only Mami Kagura was later captured and held prisoner by Takeshi's group.