[No serious training, all about technology.] Qin Xuan, a scientific researcher in his previous life, traveled to the Fuyuki Three Houses, and from then on, the world line gradually collapsed... "The Twenty-Seventh Ancestor of the Dead Apostles? Try my Five Elements Fusion Array!" "The Clock Tower at the Center of the Western Magic World? Mathers and Aleister don't even take it seriously!" "Ainsworth wants to rewrite the planet's mythology? Has he asked the old man Chaos next to me?" "The Templar Church launched the Third World War? Mobius and Velvet flipped the table and switched to the scientific phase!" "The next world line is in a crisis of humanity? You've come just in time to see what the Fourth Calamity is!" "The Beast of Disaster? It's not even half as good as my final trial as a human!"... Qin Xuan, carrying the Cave Heaven World Tree on his back and holding Mooncell in his hand, faced the kings of the Lostbelts, the Predator Planets, the Blue Glitter Galaxy, and powerful enemies from the multiverse. "Who else refuses to surrender?"

[The Great Demon King of Green Mountain Invites You to Join the Chat Group] After six days of being transported to the past, defying her original fate of becoming a velvet ball, the once despondent Miss Fox suddenly perked up and immediately sprang to life. Six days without video games, internet, or a cell phone—wouldn't that drive anyone crazy? Now, the chat group is here! The six days are over; it's time to return to the realm of video games!

[Genshin Impact + Sasuke Uchiha + Role-playing + Time Travel + Thrilling Story + System + Fou]

Jiang Ran was attending a comic convention cosplaying as Uchiha Sasuke when he accidentally traveled to the Teyvat continent while passing by the Genshin Impact booth. He awakened a role-playing system and took on the role of Uchiha Sasuke, whom he was cosplaying at the comic convention.

Many people are changed as a result of this ongoing role-playing journey.

Hu Tao: Ever since Jiang Ran, our guest, arrived, the business at Wangshengtang has become increasingly prosperous.

Zhongli: Jiang Ran's guest advisor? I'm not really good at dealing with him.

Funina: Before I met Jiang Ran, my life was always dull and boring. After I met him, I felt that every day was a new day.

The first 10 chapters are a transition; Fontaine starts from chapter 11.

It is a campus light novel written by Ghost Under the Night, serialized in SF Light Novel, with a total of 2401481 words, and has been completed.

The protagonist of the story is an ordinary student who interacts with several girls of different personalities in school life. However, he gradually discovered that these girls are not as simple as they seem on the surface, and they all have their own secrets and dark sides behind them. As the plot develops, the male protagonist is gradually involved in an event full of danger and conspiracy because of his close contact with these girls. After experiencing a series of exciting events, the male protagonist not only has to unravel the secrets of the girls, but also has to face the dangers lurking around them. The story shows the growth and transformation of the protagonist, as well as his choice between love and friendship through wonderful suspense plots and touching emotional entanglements.

Unexpectedly transported to another world in his physical body. Thinking he was about to die, Jiang Yuan successfully awakened the "system" essential for time travelers. Earning a beautiful girl's affection earns you a reward? Then... discussing with Mai Mizukami whether the Bodhisattva likes berries. Successfully transformed the GJ club into the HG club. Became a senior and older brother to the Yuri Lilies. Taught Mizuki Usami a technique called "drawing." Bringing the shock of light comics to another world. Gaining loyal fans like Kasumigaoka Utaha, Sakura Chiyo, and Naganohara Mio. Pochi-chan: "Becoming an idol? It's absolutely impossible, right?!" Takanashi Rikka: "Really... I found it! My invisible boundary!" Oni Tsukiko: "Mmmmm! That... is not okay..." Just as Jiang Yuan was immersed in his beautiful daily life... watching the kendo girl wielding an inexplicable "power," the twisted shadow lurking in the shadows, and the fallen "god" shattering the earth with a single blow, Jiang Yuan's mouth twitched: "There really is something wrong with my daily life."