Yan Huan disrupted Perfect Sakuramiya’s plans for the High Table Dance, rescued Hitomi, and danced with her beneath the fireworks. Afterward, Bai Yi broke with him, while Ye Shiyu’s hypnosis and Leaf AI began monitoring and restricting him.
Yan Huan struggled with Ye Shiyu’s hypnosis while trying to maintain his relationships with Hitomi Sakuramiya and Bai Yi, as Lemon plotted to exploit his past. The arc ended with Ye Shiyu keeping Yan Huan confined in the dormitory while monitoring a brewing rumor campaign.
Yan Huan tried to evade Ye Shiyu’s surveillance and protect his friends while Leaf AI and the Modifier fueled conflicts around him. Ye Shiyu confronted the women in Yan Huan’s apartment, revealed her predictions of their futures, and unleashed her power across Linmen as Bai Yi’s career faced another plagiarism scandal.
Ye Shiyu abducted Yan Huan and tried to keep him from leaving, while Bai Yi and the others struggled to reach him. After Leaf AI’s plan caused a fatal ambulance crash, Yan Huan awakened inside his Modifier and found a way to duplicate a Key.
Ye Shiyu’s Index Finger manipulated her into trapping Yan Huan and driving the Modifiers toward disaster, while Yan Huan’s death sent Aria’s power out of control. Yan Huan returned, helped Ye Shiyu reject Index Finger, then crossed into a future where they were married before using the Reflecting Magic Mirror to prepare for his return.
Yan Huan survived the collapse of Index Finger’s plan, but Bai Yi vanished from the altered timeline and his memories of her began to fade. After Meow-chan explained that Bai Yi had traveled through IF Routes, Yan Huan set out to return to the past and save her.
Yan Huan and Bai Yi crossed between the real timeline and IF Routes while trying to understand why Yan Huan’s worldline collapsed and how to save him. The arc left Bai Yi preparing to use Time Stop, while Yan Huan warned that the past Yan Huan would notice two Bai Yis.
Bai Yi and Yan Huan tried to undo the bonds that led to Yan Huan’s death, but each attempt left his worldline collapsing on his nineteenth birthday. They were pulled through dangerous IF Routes and returned to the past, where they began confronting the knots in Bai Yi’s life as Elvira and Index Finger hunted her.
Bai Yi and Yan Huan repeatedly travel through the past to undo the knots threatening Yan Huan’s life, while Bai Yi uncovers the truth about her parents and struggles with the cost of changing history. They reunite with their memories restored, and Bai Yi returns to a changed present where Yan Huan is safe and the Student Council is nearing its end.
Yan Huan and Bai Yi crossed a collapsing IF Route, and Yan Huan changed the past to save her before Meow-chan restored their worldline. Bai Yi and Yan Huan reunited with their memories intact, while the other Hosts prepared to compete in the Student Council election and Yan Huan focused on the Crab Coin Mission.