Arc 9Parasites in Tokyo
Yunyi investigated the Parasites and the threat they posed to the Thesis Competition while reshaping the Public Morals Committee and preparing his allies. After a Parasite outbreak endangered Lina and STARS, Yunyi brought her home and began assembling a team to capture the creatures.
- Yunyi defeated Lina in their practical match, introduced her to Mayumi Saegusa, and later revealed that she was Angie Sirius, a STARS commander sent to recruit him.
- Yunyi became Public Morals Committee chair, recruited Lina, Kanon Chiyoda, and Mikihiko Yoshida, and removed Isao Sekimoto after finding him abusing his position.
- Yunyi investigated Gu Jie’s Parasite network, assigned Lina to protect the Thesis Competition, and warned Mayumi Saegusa as attacks and blood-drained victims appeared around Tokyo.
- Zhou Gongjin recruited Isao Sekimoto and Chiaki Hirakawa to target the Thesis Competition, while Yunyi uncovered their plans and coordinated with Tatsuya Shiba, Miyuki Shiba, and Katsuto Jumonji.
- After Kei Isori and Kanon Chiyoda were attacked, Yunyi and Miyuki drove a Parasite out of Kanon and Yunyi banished it to Imaginary Number Space.
- Yunyi tracked Parasites to a park, where he found Lina and STARS members fighting infected teammates and bound the Parasites with magic.
- The Parasites fused and attacked Yunyi and the STARS members, but Yunyi disrupted them with Gravity Core and a hypnotic spell, forcing them to flee.
- Yunyi brought Lina home, warned his household that Tokyo was dangerous, and recruited Miyuki Shiba and Yuuka Tsukuba to help capture the Parasites.