MTL - Marvel: Start with Summoning the Shadow Troopers - Chapter 12

One moment, Lucas closed his eyes to sleep. The next, he opened them to find himself not in his bedroom, but in a courtroom.Even more startling, he was in a different body.Lucas was confused, but there was no time to dwell on it.Why?Because....“Your Honour, please sentence him to death!”the prosecutor demanded, looking directly at Lucas, who was seated on the judge's bench.'It seems I have become a judge.' Lucas realized.

“First, a hidden marriage.”“Second, the marriage period is one year.”“Third, you are not allowed to have any feelings for me!”These were his three stipulations to her at the entrance of the Civil Affairs Bureau.She readily agreed and adhered to them one by one.But a year later, is the man holding onto her tightly and refusing to let go still the same cold person from a year ago?“Could you let go, please? Our one-year term is up.”“Wife, the contract you signed is indefinite!”

Zaiyila thought she had suffered enough—betrayed by her own mother and sold into marriage with a wealthy, aging man. But on the night of her pre-wedding ceremony, everything takes a dark and unexpected turn. A swarm of deadly snakes descends upon the gathering, killing her groom-to-be and throwing the hall into chaos. Fear spreads as the people recognize the serpents as the servants of the enigmatic and terrifying Snake King, Everett.When Everett himself arrives—a striking, horned man of unmatched beauty and power—Zaiyila finds herself drawn to him in ways she cannot explain. Despite the fear he inspires in others, she feels an unshakable connection to him, one that transcends the realm of logic. The moment she defies the fearful kneeling of the crowd, she unknowingly seals her fate.Taken into Everett’s domain, Zaiyila is forced to confront not only the dangerous, supernatural world she’s been thrust into but also the awakening desires she cannot deny. As she unravels the truth about her past and her connection to the Snake King, she must decide—will she resist the pull of destiny, or will she embrace the darkness and passion that Everett offers?A tale of betrayal, power, and an irresistible bond, Bride of the Serpent King explores the fine line between fear and desire, fate and choice.---

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.