Darwin's Game - Season 1 - Eps 5: Aquarium
It becomes clear to Kaname that in order to win the Treasure Hunt Game, he must defeat the vicious Eighth Clan. To do this, he forms a temporary clan with Rein, Ryuji, and Hiiragi. While they develop a strategy to beat the Eighth Clan, Kaname receives a plea for help from Shuka.
About Darwin's Game

Title: Darwin's Game
First Air Date: 2020-01-04
Last Air Date: 2020-03-21
Status: Ended
Rating: 7.696/10 (from 161 votes)
Language: JA
Seasons: 2
Total Episodes: 11
Network: AT-X Gunma TV Tokyo MX BS11 ABEMA
Genres: Animation, Mystery, Action & Adventure, Sci-Fi & Fantasy
Production Companies: Nexus, KADOKAWA, Aniplex
Synopsis
Sudou Kaname, an ordinary high school student, receives an invitation email to try a mysterious app called "Darwin's Game." Kaname, upon launching the app, is drawn into a game where players fight one another using superpowers called Sigils. Without knowing the reason for all this, can Kaname survive furious battles against the powerful players who attack him?
Cast

Yusuke Kobayashi
Kaname (voice)

Reina Ueda
Shuka (voice)

Nichika Omori
Rein (voice)

Yumiri Hanamori
Sui/Souta (voice)

Taku Yashiro
Riuuji (voice)

Yoshitsugu Matsuoka
Wang (voice)

Ai Kakuma
Themis (voice)

Ai Kayano
Xuelan Liu (voice)