I Became Friends with the Second Cutest Girl in My Class (WN) - Chapter 9: Chapter 9 – A Loner’s View on Relationships

Until he became the lowest-ranked master, his lonely and luckless life never changed.Suddenly one day, a descendant injected him with a nanomachine, and the machine started ‘speaking’ to him.[I am the seventh generation Nanomachine manufactured by Sky Cooperation, and I am operating as a central nerve connected to your brain.]“What? What are you talking about?”This was beyond the boy’s knowledge, he turned pale.The Nanomachine linked to his cerebrum realized the User was not understanding a single word it said.“Who are you, and why are you doing this to me?”[“I am the seventh generation Nanomachine.]“Nano Machine?”[Yes, Nanomachine.]The boy’s face hardened.Mashin was the deity the Mashin Religion worshipped, along with the Sacred Fire.The religions’ Master communicated with Mashin.“Um, are you really Mashin?”The boy knelt down and asked with a trembling voice. At this, the Nanomachine attached to his cerebrum realized it had been misunderstood.

A novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top with lots of girls from various animes and games with a twist of that gaming feel (hunting mobs, doing missions).

- Description from novelupdates

The notorious imperial court lackey and the meritorious military general were well-known for their mutual dislike, a pair of arch-enemies set in stone. Who could have foreseen the unexpected change in the winds of heaven: the general injured on the battlefield, both legs disabled, and even forced by the emperor to marry his nemesis.  

With one marriage edict, two people with mutual hostility are forced to marry and live under the same roof. Yet after these long days together, they come to the realization that this fellow is not truly devoid of any saving grace/unattainable and high out of reach.

- Description from Novelupdates

After being bound to a self-help system, Xia Changhan lived in deep water every day.

System: You have to counterattack and fight beautifully!

Xia Changhan: No, I can’t do it.

System: You can hook up with the scum’s backer, such as his mother/his sister/his fiancee/his boss/his second uncle‘s sister!

Xia Changhan: No, I can’t do it.

System: Perform well or your wage will be deducted.

Xia Changhan: I will work hard!

Xia Changhan was repeatedly commended by the leader of the Space-Time Bureau.

When imparting experience to new colleagues at the year-end meeting, she burst into tears: “I only have three words for everyone- do it yourself!”

- Description from Novelupdates