I Am the Nanny of the Villain - Chapter 23:

In the city of Graheel, a small antique shop sits quietly mixed in with all the other shops. Its unassuming appearance is easily overlooked by many. However, this store and its owner has a terrible secret. A devil lives in that building. The owner of the store, John Li, an enigmatic figure whose origins and intentions are unknown. The desperate from around the world, often unknowingly, come to him in search of salvation.A red witch thinks the owner is an ancient creature, a white fox calls him a wizard of eld, a warrior believes him to be a spirit, and a holy woman declares him a god. This mysterious individual and his customers would stand at the center of a strange series of events. From the store owner John's perspective, he has no idea what's going on. He really was just an unlucky dude that got caught up in some crazy stuff.

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?

Accidentally entered an ABO novel, and before Mu Er realized that he had an extra organ, he was confused and completed the first great harmony in his life with an Omega.
But when he woke up, the man had disappeared, and Mu Er thought it was just a dream.
Unexpectedly, a few months later, when Jiyou was pointing at the handsome face of the man in the news to her excitedly praising the most outstanding Omega on the planet, she was suddenly tied to that man.
Mu Er was nervous and puzzled, she asked, “Sir, you…”
The man unbuttoned his suit, pointed at his slightly long belly, his face flushed, and he said to her, “responsible.”

(Privately set like a mountain) (O pet A) (Mines clearance: the author’s female lead)
One sentence introduction: Mr. Ba came to me with the ball to take charge
Purpose: Life is precious, and we must be responsible for it.

Content tags: childbirth sweet text through books
Search keywords: protagonist: ┃ supporting role: ┃ others:

- Description from novelbuddy

Video game streamer Jing Yu, momentarily misstepped, and found himself in a strange professional gaming team.

Solo laner: Even if I have my eyes closed, asleep, dreaming, I can still kill you all!

Mid laner: Retreat? Not going to happen. Even if I only have one drop of blood left, I’m going to kill you all!

Marksman: Attack range advantage? I like to battle close-range! If you aren’t a coward then don’t run, let me kill you all!

Support: Support? As if! Wait until I switch to an AD build, then I’m going to kill you all!

Jing Yu: ……

Jing Yu: All of you, retreat! I’ll be the one to kill them!

- Description from Novelupdates