From Blade To Spell - Chapter 43: Knight Cavalry

One sentence introduction: Do you love him? Even though he has a human-like face, he has the heart of a beast.

Mermaid Attack × Breeder Shou

One month after Boyce entered the Eureka Marine Research Center, the institute caught a blue male mermaid S-37.

A year later, Boyce became the breeder of this mermaid. After getting along for a while, Boyce found that the fierce and cruel mermaid in front of others was completely different when facing him…

————

Someone asked: “Do you believe that mermaids have the emotion of love?”

Boyce said, “I believe it.”

S-37 asked: “What is liking?”

“I like it…you have minions that are enough to tear me apart, but you can retract your claws when you touch them.”

“what is love?”

“I showed my neck in front of you…”

……

The young experimenter was dragged into the pool by the mermaid. The mermaid restrained its minions, carefully circled the human with its tail, and whispered “I love you too” in his ear.

Ending Cookies: The Daily Life of Dragon Cubs

Content tags: strong fantasy space special liking karmic encounter

Search keyword: Protagonist: Boyce ┃ Supporting role: ┃ Others: Mermaid

One sentence introduction: Mermaid attack & breeder suffer

Purpose: to protect marine life, and to live in harmony with nature

- Description from novelbuddy

Sein was only a child when he was abducted from the surface world and forced to join the Black Magic Academy. In the Underworld, strength reigns supreme and the weak struggles to survive. As the death toll of magic initiates continues to rise within the walls of the academy, Sein’s quest for knowledge and power is a constant battle for survival.

Memories of his parents and the starry night sky in the surface world are fading with each passing day in the Underworld.

“Is Magus World the name of the world we live in? Where is my home in the Magus World?” These are the burning questions that Sein has in mind.

Will he be able to rise to the pinnacle of power, discover the truth of the world and ultimately find his way back home?

Official blurb:

He hails from the banished land of the Underworld, bound by a single unforgiving rule—survival of the fittest. He is the seeker of truth, a mage who treads the fine line between sanity and madness. In a world where myths have crumbled and chaos holds sway, it is strength that reigns supreme.

……………………………………………………………

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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.

The world is big, but I am the only one who is orthodox.Sweeping the world's immortal sects with the power of the Celestial Dynasty.A strong man who practiced the 'Way of the Emperor' came to a world full of immortal sects, and a secular dynasty that was despised by the practitioners gradually came to be on an equal footing with all the top immortal sects.The law of the dynasty is that everything in the world is the king's land, and the shores of the land are the king's ministers! There is only one orthodoxy in the world, and all immortal sects are illegal organizations!