First Marriage, then love: wife, never divorce - Chapter 2015

Tenjou Yuuya has been a bullied boy since the past.He lives in the home of his beloved grandfather while he goes to school. As usual, he receives a harsh bullying, and he takes an extended absence from school to have some time to heal his wounds.While on this long time of absence, he takes the opportunity to clean his grandfather’s house and goes to a room he never went before, where his grandfather keep many different objects that he gathered from his travels around the world. While he was arranging the objects, he found a door not on a wall among the objects.Out of curiosity he opens this door, what he found on the other side was…

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

He died a worthless death.An orphan mocked by his world, hated by all.Even on his death bed, mercy never found him.He was murdered in cold bloods. Drenched in his own pool of blood and with his eyes closed in death.Just when he thought his life was over.He reincarnated. into a fantasy world but as what?A DragonCreature of myth and the unknown. Transversing through the unknown world filled with magics and monsters.He who was nothing but an unfortunate orphan in his past life faces a second chance.Giving an opportunity to rewrite his fate. with malice still in his heart.Ma Feng walks the path of the unknown. but with challenges in his path.Through his research, Ma Feng realizes how deep this fantasy world is.His goal of returning back to his original world is being hindered by the abstract forces.His hopes of returning back with his newly acquired powers is being disrupted by the secrets of the unknown.In hopes of uncovering the secrets that would facilitate his return back to his original world.Ma Feng must locate the remnants of the Dragon species, uncovering the mysteries of Dragon Magics.Despite his determination to return. Fate has something in store for him.And the truth of his existence shall be revealed.This is the path of an OverlordThis was a time he Reincarnated as a Dragon!

The youngest all-round best actress, Gu Zhi, has traveled through time and ended up in the body of the sweet and naive real heiress she was about to play.Originally, the owner of the body could have soared to new heights after reclaiming her position as the true heiress. However, she stubbornly turned herself into a green tea character hated by the entire internet, ending up alienated from her family with no one to collect her body after her death.On the parenting variety show, her family accompanies the fake heiress on the program but refuses to acknowledge her.Biological mother: I don't have a daughter like you, Yiyi is my daughter.Biological brother: Quit the entertainment industry, make way for Yiyi, and I'll let you come home.Gu Zhi: ...Who cares.I bring my labor-efficient adoptive parents and my adoptive brothers, who are potential stocks in various industries, onto the variety show. Isn't that lovely!!In this way, Gu Zhi and her entire family, who were almost forced out of the entertainment circle by criticism, suddenly became explosively popular.Fan 1: Damn! This woman Gu Zhi has such amazing acting skills! Her singing and dancing are top-notch! She's so skilled at gaming too, is there anything she can't do!!?Fan 2: Sob sob Zhi Zhi, what kind of fairy parents are these, unbelievable. It's another day of being moved to tears by the celestial parent-child relationship.Fan 3: Ahhhh, Zhi Zhi's big brother is so handsome! Second brother, I want to marry him too! Third brother, I could admire that body for a year! I wouldn't mind waiting for the fifth brother either /shy /shyWhen Gu Zhi stood on the industry's most prestigious award stage to receive her well-deserved Best Actress award, her suddenly awakened biological father and brothers blocked her way, asking for forgiveness.However, they were ruthlessly thrown out by the domineering CEO big brother: Zhi Zhi is a member of the Qin family, don't try to impersonate.That evening, the semi-retired Emperor Qi officially announced the female lead of his new movie and specifically tagged Gu Zhi: Sorry, she's already a member of the Qi family.The entire internet: !!!???