On an seemingly ordinary day, a driverless bus carrying Kong Linzhang, Wei Zhiyuan, and a group of cursed individuals arrives at the Black Haunted House. Every so often, a blood-red portal within the house forcibly pulls the group into a terrifying world to carry out horrific events. Kong Linzhang and Wei Zhiyuan, as witnesses, are filled with intense regret and resentment, and unexpectedly gain the ability to travel through time. During their travels, they foresee crucial clues using information asymmetry, but their lack of understanding of the rules of time travel hinders their actions. Meanwhile, a mysterious villainous organization, determined to prevent the truth from being revealed, constantly sabotages the protagonists' search for clues. The protagonists must not only contend with the harsh environment and unknown threats beyond the Haunted House and the blood-red portal, but also break the curse within a limited time. In the process, they are forced to choose sides with some of the cursed individuals due to ideological differences, creating a conflict between factions. The protagonists are also misled by the villains, leading to misunderstandings and misguided actions. Even after successfully breaking the curse, they discover that the "butterfly effect" has caused irreversible consequences, and the victory comes at a heavy price.

Thick fog hangs over the airport, international flights are delayed, and an ace agent from the Space Survey Agency navigates a polar vortex. Enduring severe turbulence, his passport expires, and his luggage is lost, he finds his own body on the baggage carousel, clutching the pendant of his ex-girlfriend, whom he had just met thousands of miles away in New York City. On the tarmac, at the airport control tower, in the cockpit, in the first-class cabin, even on communications satellites... Mysteries unfold in every corner of the sky and on the ground. Who is behind this? Under the vast sky, when will the mystery lift?

"One must learn to face youth head-on." "To gain love, one must first acquire the ability to love." Shizusui Asama, using words she herself didn't believe a word of, helps the protagonists achieve their desires. Embarking on a path of shadow, escaping the banality of evil, and ascending to the pinnacle of supporting roles. This is a story of a solitary soul reflecting the entirety of Tokyo. Other titles: *Eiwa Academy: The Shadow of Strength*, *I Really Didn't Want to Be the Protagonist*, *Living in Tokyo, Earning a Billion Yen a Day as a Matchmaker*, *I Loaded a Romance Game, But I'm Not the Protagonist*.

(Single female lead + slice-of-life + yandere + urban setting)

When Lin Yu awoke from the darkness, he found himself beside a simple, dirty dining table. Before he could even adjust to this unfamiliar place, a stunningly beautiful young woman appeared before him. As memories flooded back, Lin Yu immediately realized that the beautiful woman before him was actually his adopted sister! But the way his adopted sister looked at him seemed strange... His adopted sister wanted to kill him!

After experiencing a series of events, Lin Yu gradually discovered that his adopted sister was becoming increasingly strange...