MTL - The Boss Wears a Book To a Woman - Chapter 127 Drive out of the Eight Princes' Mansion to fend for themselves

In the era of interstellar warfare, every melee mech will be paired with a long-range sniper mech to cover the battle.
The sniper mecha master Yan Xueshan (beta) and the melee mecha master Arthur (alpha) are just such a pair. The two have been together for six years.
The upcoming Armageddon is a near-death battle.
the day before.
Yan Xueshan: “Remember to write a suicide note in advance.”
Arthur said frustratedly: “I have only one regret. If I die this time, I will be a virgin until I die.”
Yan Xueshan snorted coldly: “…no promise.”
Arthur asked pitifully, “Master, can you fulfill my dying wish??”
Yan Xueshan: “?”
How absurd.
But Yan Xueshan thought about it, this is his comrade-in-arms, whose life and death intersect, chastity counts as a p- OK, I agreed! !
However, after the Armageddon, none of them died.
Not only did they become war heroes, Arthur also turned into a federal prince.
Arthur took out the marriage application, just one signature, and said honestly and faithfully: “Master, didn’t you say that you will go back to get married and retire after this battle? You help me fulfill my wish, and I will help you fulfill my wish too!”
Yan Xueshan: … something seems to be wrong?

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- Description from novelbuddy

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

Xiao Bing, who used to be a top soldier in mercenary and came back to normal life because of the death of his best friend. He started over, played dumb and coped with difficulties. He stood on the bones of others and held beauty by his side. Finally, he succeeded and became the emperor of the city.“Brother Bing, please protect my little sister as well as my families carefully. I feel lucky to accompany you during these 6 years. It is my honor to go through fire and water with you. I’m not regretful!”I’m not regretful!Thinking of what Su Peiya had said before dying, Xiao Bing clenched his fists tightly and cried. He made a decision to protect Su Peiya’s families before finding the spy of Long Men and to make rightful claims for Su Peiya.Xiao Bing did not love Su Peiya, but he regarded her as his only best friend!He unfastened the seat belt when the plane landed safely. Looking at the urn in his hands, he sighed, “We have arrived at Jiang City. You get home now, Peiya.”

Although born in a wealthy, powerful family, Shangguan Ning is motherless and loveless. Throughout her growing years, people use her for their own interests.