I, Am a Living Yama, Empress Advises Me to Stay Calm - Chapter 74

Cao Gui: “Well said! System, but do you want to explain why this is not Marineford but Manhattan in New York?”

System: “…”

Cao Gui: “System?”

System: “…”

Cao Gui: “System, say something!”

- Description from Novelupdates

'My life is boring.'Cole thought when he was 14 years old.He thinks that there's nothing special about him or his life.And he thought that the only reason he was alive is because he was not dead yet.But then, at the age of 16, Cole developed a hobby.And that's reading novels.When he's reading, he feels emotions he normally wouldn't feel!Cole feels like he's been brought into a different world!And reading novels made him forget about the boredom he's feeling!So he really enjoyed and liked novels!To the point that he even started making one!Yes, Cole became a novel author and his works were seen and read by many people around the world!And seeing people talking about his work and supporting him made Cole enjoy writing too!But after reading and writing novels again and again... for a long time.Cole started to feel less excitement and thrill in doing them...Nevertheless, he didn't stop.Cole feels like he would be bored to death if he stop, so he just continued.Ting-!“Huh?”Then one day, while Cole was reading through the comments of his novel.He received a mail...The sender was anonymous and the content of it didn't make sense to him.“My work had been chosen...?”“They will grant my wish?”“What kind of bullshit is this?”So Cole didn't pay attention to the mail....“Eh?”Though, he suddenly woke up in a different body and a different world!Cole was sent inside his novel!And he became Raven Obadiah...?Who's that?The protagonist? No.The villain? No.One of the major characters? No.I don't know who the fuck Raven is too!Cole doesn't know him too!In short, he's just a fucking extra with no importance in the novel!But there's something weird about Raven's life that Cole doesn't know...And Cole, receiving a chance to have a life he could only dream of in the past...“Hiding strength?”“Staying an extra?”“Letting the main characters handle everything?”“Those sounds boring as fuck!”Cole, or should I say, Raven—decided to live a life full of excitement!He will do whatever he wants, and he wouldn't let anyone stop him!

This is an absurd story of an empress who has traveled to modern times and still insists on rebuilding the Sannomiya Sixth Court without changing her nature.
*
Su Junli was very depressed. She inherited a pair of red and green monster eyes, but she is a majestic queen, how could time and space change overnight, and the world was turned upside down, and the beautiful girl in front of her who claimed to be her “Mi Potato” The man called her to “grow vegetables”… You are the only one who grows vegetables, and your whole family grows vegetables. I am the queen!
Anyway, I can’t go back, but the thousands of subjects under the queen’s seat and the thousands of employees under the president’s command are actually the same in management. Since the original “Jun Li” is too useless, let her take over all of them , money, power, status, and of course, those high-quality men who make his heart beat…
An elegant and intellectual personal secretary, a sinister and cunning special assistant, a wild and domineering mafia king, a pure and natural childhood sweetheart, a ruthless No.
The Su family who killed without blood,
In the underworld filled with blood and gunpowder,
Talking and laughing about the ups and downs of the business empire,
Even if every step is frightening, one day, she will stand on top of the world!

- Description from novelbuddy

Side story of Kyoukai Senjou no Horizon bundled with the first press release of the 1st, 3rd, 5th and 7th Blu-ray volumes of both seasons of anime.

This side story follows Asama, Kimi and Mitotsudaira aboard Musashi one year before the beginning of the main story, as Asama is considering to create a music band together with her two friends for the next festival in Aki, a territory under the governance of K.P.A. Italia.