The Yu Brother's Case Book - Volume 1 Chapter 6.1

The Empress who dies in torture, An Rushuang is her name. After she wakes up, she finds herself has time-travelled to when she was twelve years old, but she would turn into Major General’s white horse at night. He is a general who orders about the winds and clouds on the battlefield, and she is a little girl lives in her boudoir seclusively.
She endeavors to change her fate, and he spared no effort to win every battle. They meet each other every day, well, it’s night to be accurate. Is that a dream or not? She pleads to marry the seignior to win peace for her family, only to find he is the one she is going to marry.
“Growing old with you under the same roof is my long-cherished wish”, thought them both.

- Description from Novelupdates

When The Cute Kunoichis Spied on Their Teacher's Secret is a light novel written by Kazuma Kamachi and illustrated by Ryuushi Tajima.

The story takes place in a world where Japan never ended their isolationist phase, and agents from foreign powers are always threatening to steal the country's advanced technology. In order to combat this threat there has been a resurgence of ninjas that use Strategic Martial Arts, techniques that combine cutting-edge modern technology with a traditional foundation of martial arts and ninjutsu. The story follows Souha Sugiyado, a 17-year old ninja instructor and former ninja prodigy who was forced to retire from active duty by the wounds he suffered in his last mission. Souha's four students are all kunoichi who have all gained the rank of Elite Ninja, the highest official rank available to ninja. However, one day two Shogunate ninja approach him with the news that his four students have gone rogue and have stolen a portable modular nuclear reactor, and thus they ask for his help in bringing his students to justice.

On a dark and windy night, the legendary military hero Qin Yu found a stunningly beautiful and drunk CEO. From then on, Qin Yu's life was completely transformed...

(Main World: Marvel)

(Current simulation order: Demon Slayer → One Piece → Bleach → Naruto → Fate → Elden Ring → Overlord → To be determined)

Rebirth

He can simulate life in any other world and gain power from it.

Before each simulation starts, there is a high probability of drawing rare talents!

…

Color talent: [World Creator]: You can change the rules of this world at will, you are immortal and the creator of the world!

Golden Talent: [Fader]: Immortal and immortal, the unblessed who was abandoned by death and immortality at the same time, the destined king!

Red talent: [Destined to draw]: When you play cards or draw a lottery, you will definitely get what you want!

Purple Talent: [I am the Empress]: You are destined to become the empress of this world, with dreadful talents, unparalleled strength, and more powerful and loyal subordinates, who will expand your territory and compete in the world for you!

…

A god-level talent is dazzling.

More importantly, these talents can be brought into the real world, and even abilities can be extracted!

“What kind of superhero is this!”

“Enjoy the beauty of another world, isn’t it fragrant!”

- Description from novelbuddy