The Grand Secretary’s Pampered Wife - Chapter 510.1: Brother and Sister in Action

You Liangxing would never open the speech function in game.
That was because his voice was…
Particularly! Kittenish!

But there was one day, he queued up with a teammate who had so much to say that they may as well explode. Vexed to the point of no return, he contributed a voice that was capable of splitting heaven and earth, “Don’t BB.”
The other party who was being scolded stilled. In the ensuing silence, he suddenly let out a long, relishing… Moan.
You Liangxing: “…..”

Later —
He realised that the person was a great god,
Much later,
Without him realising,
He became the great god’s royal healer.
…. And also his boyfriend.

- Description from Novelupdates

Cha Myung-jun, a sergeant who neared the end of his military service, found himself confined in the Ministry of National Defense’s bas**ent for over three decades due to his newly awakened abilities, just before the outbreak of war. Spending thirty years as the world’s most formidable blacksmith, wielding nothing but hammers, he skillfully outwits the watchful eyes of the Ministry of Defense to serve the war effort and reset the course of time. Now given a second chance at life, can he lead a successful campaign to avert humanity’s downfall and secure its salvation?

The first time they met, the little boy had pulled her hair, hoping to get her attention.

When they met at the kindergarten again, the boy was glad that the girl had no longer remembered the previous incident. However, getting close to her was not an easy task as the girl was always surrounded by others who admired her.

Once the boy finally got the girl’s attention, his family decided to move to another country.

Years later, the two of them crossed paths again. This time, the boy pulled the girl’s hand, heading straight to the Civil Affairs Bureau.

Holding a newly registered red book and meeting her gaze, the corner of his lips finally turned up as he finally got her absolute attention.