Goddess's Yuri harem: Chosing the Empress is hard - Chapter 26 - - Lady of the Magic Tower - Part 2

Selene Valor, a pureblood vampire, entered a marriage of convenience with her husband Gabriel Valor to protect herself from relatives eyeing what was left of her family's wealth. Six months into their marriage, Gabriel is sent away to war to fight for the kingdom. As time went on, news of his victories spread across the kingdom and he was labelled a hero.Nearly six months later, Selene eagerly awaits the return of her heroic husband. Upon his arrival, Selene is faced with betrayal as he brings home a woman named Cassandra Avery, a human who he introduces as his lover. Selene is heartbroken and tries to save what was left of her marriage but soon there is news of Gabriel wanting to take Cassandra as his second wife.Selene is left with the choice of accepting Gabriel’s wishes and staying protected or seeking a divorce. After a heated argument, Selene turns to someone she never expected to be her saviour. She finds refuge with Lord Xavier Blackthorn, another pureblood who seeks her hand in marriage.Will she forgive her first love or move on to accept Lord Blackthorn’s love?

She, a 21st century mercenary queen, had crossed over into a tragically betrayed body of a waste. Waste? She will show them what it means to be a waste! Betrayed? With the Ancient Manual in her hands, she will astonish all the despicable men and cheap women!

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.