My starting summon is a small skeleton - Chapter 11 - 0 Daily

The countries of Mephius and Garbera have been waging a war for ten years and are trying to put an end to this long fight through a political marriage between the two royal families. Orba, who was driven from his home because of the war and was forced to become a gladiator, looks exactly like the crown prince of Mephius, and it has been decided he will be substituting him during the wedding ceremony. On the other hand, Vileena, the princess of Garbera, has secretly decided to ensnare the crown prince for her own country’s interests.

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

It never occurred to her that she would marry a man when they first met! Yan wen and Jiang suian's marriage was very sudden. Betrayed by her boyfriend and best friend, she married the stranger she met for the first time in anger. What she didn't know was that the stranger turned out to be the most famous CEO who is rich and handsome.

Although they just know each other for a short time, she was attracted to him all the time. When she encountered difficulties in work, he always appeared to help her out in time; when she was hurt by someone close to her, she was always comforted by him.

Appreciating his charm, feeling his tenderness, she began to rejoice that they get married at the first meeting.