Interstellar Invasion (Nonhuman)

Blue Star people are born with the ability to make contracts with all living things. There are many functions of contracts, one is called a "death contract". The two parties who make a contract: either live together or die together, share pain, XO restores blood, and can never be untied. Yan Yang, the last prince of Blue Star Country R, ​​shouldered the mission of "survival" on the day of the country's demise. He was stabbed through by an enemy general with a sword and traveled to seven years later. It was discovered that he had concluded a "death pact" with the enemy general who stabbed him, and was in the process of recovering XO's health. Unknown alien creatures outside have invaded his former country. Yan Yang kicked the damn enemy general out of bed: rude person! - Kai Feng, the youngest major general of country S, has been obsessed with the prince of the enemy country for many years, but never had the chance to pursue him. Until Yan Yang was seriously injured on the battlefield, and in order to survive, Yan Yang concluded a "death pact" with him. He was so happy that his wife was born from heaven. After 7 years of hard work, his prince finally recognized his identity as her husband. As a result, when he woke up, Yan Yang forgot about the past seven years and regarded him as his mortal enemy. Kai Feng: Going crazy! - A love story that spans life across species and all things in the universe. Yan Yang thought that entering into a death pact with Kai Feng was the most wrong experience in his life. Only in the end did he understand what kind of faith the man with all the flaws he hated loved him. Seriously endure and hold the world in mind, self-sacrifice, fuck you, I'm going to find Lao Gong, suffer & my wife is everything, my wife is good in everything, I love my wife so much, my loyal dog Gong - Pseudo-science fiction, the plot and emotional lines are parallel, the author thinks it is quite sweet Attack the love brain, change from career brain to love brain, and finally the love brain saves the world he, a person who is strong outside, has elements of restraint Intention: Equality of life and harmonious coexistence.