Crossing Reality and Game: I am Achievement Master - Chapter 51 – First Blood

How long will it take for a murdered thief to distill into something monstrous? In this story the darkness only grows stronger, and its reach only grows wider as it expands by devouring the life that surrounds it. This is a dark fantasy where evil is a where, not just a who that focuses on slow progression, undeath, and atmospheric storytelling.

Entering Tokyo in the bubble era, in this strange era, the only familiar ones are Matsuda Seiko, Nakamori Akina, Kudo Shizuka…

- Description from novelbuddy

[Female Lead: Little Princess of the Cat Demon Clan] “Get off of me,” the man's voice carried a hint of helplessness and restraint.“I won't,” the girl shook her head, her arms tightly holding onto the man beneath her.“Be good, I can't sleep like this.”“But I always slept on top of you before.”“That was different... you're a human now.”In Capital City, a decisive, cruel, and cold-blooded mysterious head of the household unexpectedly gets saved by a tiny kitten, hence turning into a devoted slave to the cat, shocking all his subordinates.However, when one day he woke up to find the kitten in his arms had turned into a lovely and soft young girl, the head of the household was dumbstruck.Ask what's going on? Of course, it's a nurture story~Ask what to do? Naturally, continue to spoil her, just in a different way~“Young Master, everyone outside is saying that you have some special fetish. Why else would you spoil a cat to such an outrageously lawless degree?”The head of the household declared, “You know nothing, that's my wife.”This book is free of stale tropes, with fresh material, and is clean in regards to relationships. [The new book “Mr. Lu Has Made the Blacklist Again” has been released]

This is the novel behind the TV series, “Love Like the Galaxy”.
The following synopsis is based on the TV Series.

“The young Cheng Shaoshang was left behind because her parents had gone off to fight in the war. In order to protect herself from her scheming aunt, she had to be extra diligent while pretending to be the opposite. However, years of estrangement have made it difficult for them to become family again.

Lacking love her whole life, Cheng Shaoshang is both pragmatic and insecure in choosing a partner for marriage. She encounters three men – the emperor’s adopted son Ling Buyi, the talented Yuan Shen of Bailu Mountain, and the aristocrat Lou Yao who each have their pros and cons. Although the road to love is bumpy, she never regrets every choice she makes. Through her interactions with Ling Buyi, she unintentionally becomes involved in the mystery surrounding his family and his identity. The two grow from their experiences and worked together, upholding the righteousness in their hearts to resolve a national crisis.”

- Description from Novelupdates