MTL - Ask Sword - Chapter 34 fine dog

As an international mercenary, Feng Luo entered a technologically advanced parallel world during a mission.

After living several years in the new world, an online sci-fi game called War became popular across the entire Star Federation.

Desert Eagles, Barrett, AK-47, Apache, RPG… One after another, familiar gears awakened his memories of the past!

Terminator, Zerg, Resident Evil, the Force,… The missions that appeared after a system update made him even more suspicious and shocked! As such, Feng Luo entered War and became a sniper.

- Description from Novelupdates

Wang Yi gets a key, opening a door in 2022 will lead to 1982, and opening a door in 1982 will return to 2022.

Two very different great eras appeared before him:

Abundant dietary protection, developed industrial products, miraculous medicines, and explosive information, this is 2022.

Simple folk customs, rich wild resources, scattered antiques, and treasures of the age, this is 1982.

Traveling between these two eras, Wang Yi didn’t think much of it, he just wanted to live a good life.

- 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]

Maid, older sister, younger sister, and even mother, all of them.