During a hiking trip, Zein and her friends discover Hell University, a school they thought was abandoned. When night falls, they witness the Bloody Night, where murder is legal. Trying to leave, they learn the only rule once you enter, there is no turning back.

After Rouge Silvenia’s death, Zein begins investigating the two ruling gangs of Hell University the Black Blood Gang and the Devil God Warriors. Her search leads her to Supremo, the feared student president, who takes a dangerous interest in her.

After Matt is put in danger, the group searches for answers about Hell University’s dark past. Zein discovers the SSG is looking for a new secretary and clashes with former secretary Fritzy, while the administration announces an upcoming acquaintance party.

Zein and Dave are rushed to the clinic after being poisoned, where a mysterious girl in a red hood offers to help. As questions grow, Ace Craige approaches Zein again, pushing his offer for her to become the SSG secretary.

Fritzy refuses to accept being replaced, while Ace orders everyone to respect Zein as the new SSG secretary. Zein witnesses the brutal fate of those punished by Supremo, and a mysterious, nerdy classmate suddenly takes an interest in her.

Zein clashes with Roxane, the Queen of Hell University, and earns a punishment from Supremo. As tensions rise, she also comes face to face with Raze Silvenia, the feared leader of the Devil God Warriors.

Zein grows suspicious as Matt, Dave, and Jerome start sneaking out during Bloody Night. As Mr. Francisco announces the start of Bloody Week, panic spreads across the campus, and Supremo presents Zein with a mysterious gift.

Bloody Week begins, and deaths rise across the campus as Zein tries to save as many students as she can. Amid the chaos, she spots Supremo getting close to a girl named Angelica and feels a strange, unexpected irritation.

Zein shares a heart-to-heart talk with Matt, who suspects she may be falling for someone else. As Bloody Week continues, one of her friends is put in danger, forcing Zein to confront Supremo and make a desperate threat to save them.

After uncovering Matt’s secret, Zein comes face to face with Raze, the feared leader of the Devil God Warrior. Struggling to confront Matt, she finds an unexpected moment of connection with Supremo over a black cat named Hoy.

Zein follows Hoy into the forest and uncovers clues about the cat’s past owner. As Foundation Day begins, Matt joins the pageant with Zein cheering him on, while Ace starts to show signs of jealousy.

Supremo grows unusually close to Zein, spending time with her through a one-on-one taekwondo lesson and shared lunches. As their bond deepens, Nicky Colt steps in with a warning, urging Zein not to get too close to him.

Zein and Supremo’s bond deepens, but tensions rise when his life is suddenly put at risk because of her. Angelica and Roxane publicly punish Zein, and in the aftermath, Supremo makes a shocking announcement.

As Zein and Supremo grow more open about their connection, doubts begin to surface after a tense encounter with Angelica. With Supremo’s birthday approaching, Zein finds herself crossing paths with the Black Blood Gang.

On the night of Supremo’s birthday, Zein is forced to make a choice about their relationship. As tensions rise, their growing closeness reaches the authorities, and they are called out to face the consequences.

After turning Supremo down, Zein is shaken when she sees him with Angelica. As emotions spiral, Madam Violet gathers the students for a sudden assembly that takes a dark turn. In the aftermath, Mia prepares to reveal a secret that could change everything.

Zein is taken by Madam Violet and uncovers a shocking connection to the Elixir of Life. As danger closes in, Supremo risks everything to save her, forcing them to fight their way out with the help of an unexpected ally.

After discovering Hell University, a group of friends is forced into a lawless school where murder is allowed every night. As fear threatens to break them apart, Zein fights to keep her friends alive while uncovering a system designed to make no one leave.