Shadow Monarch in DC - Chapter 42: Justice VS Justice

Ryzel, a nineteen-year-old guide, was expecting to marry Dwight, but the man changed his mind a month before the wedding.“I’m sorry, Ryzel.I wanted a nice and compassionate wife, so I am going to marry Sean instead.Unlike you, who were usually preoccupied with other things, he always showed concern for me.Not to mention how highly compatible we are with one another.I've actually met him before, but he persuaded me to date you because he feels sorry for you.”Without even waiting for Ryzel's response, the man left.Ryzel, who was left behind, can't even bother caring about his heart because he's been dealing with a lot of issues as a result of the sudden rejection.He was turning 20 in a month, which meant he had to be married according to the federation's laws.After he reaches the age of 20, the government's assistance will cease, leaving him to fend for his own expenses.If he is not married to a powerful sentinel, he will not be able to reclaim his inheritance and will be forced to die on the front lines.He instantly began looking for solutions, but his hope kept dwindling as his birthday approached without a proper solution to his problems.On the day he felt all hope was lost, his ex’s superior, General Lewis, proposed to him.“I'm not gentle and kind; my priority probably won’t be you; our compatibility may not be high; do you still want to marry me?” Ryzel questioned, fixing his gaze on the general.“It's okay, I don't need my wife to be gentle and kind. Our compatibility is also high. You can focus on your studies, job, or dreams. As long as you remember that you are my guide.”“Okay, let’s get married.”------------------------This is the story of Ryzel's advancement in career and love life, even with all the troubles surrounding him.

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

- Description from Novelupdates

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.

A life filled with regrets.Once he realized his faults and decided to lead a new life, it was too late.His family was already gone.He had borne through each day with pure rage.Finally at the end of his misery, his wish reached the heavens—an unforgiven one.He goes against fate to raise his sword.