Baka to Test to Shoukanjuu‎ - Volume 7.5, Our Song by Tsunemura Yuusaku

As a villainous demonic cultivator, isn’t it perfectly normal to take a fox demoness as a spiritual pet?As a villainous junior brother, isn’t it reasonable to make the cold and stunning senior sister reveal a shy side?As a villainous disciple, isn’t it my duty to melt the icy heart of my villainous master and save her from the abyss of corruption?…I was wrong.After they fell to darkness, they captured me and ruthlessly “repaid” their gratitude.

“Is this man not going to divorce me? Why does he still ask me to warm the bed every night?”

A certain man said this was due to the winter being too cold. However, when summer finally arrived, she still needed to warm the bed, thus a certain girl could not take it anymore:

“I want a divorce!”

A certain man only smiled wantonly and said, “Divorce? Sure, as long as you agree to two conditions of mine.”

“What conditions?”

“Either you pamper me or I pamper you, the duration is ten thousand years…..”

- Description from Novelupdates

Han Sheng Li is the Crown Prince of the Great Han kingdom. Since the age of fourteen, he mostly went to the wars with his father, Han Wenji, the great emperor of the Han Kingdom. He's the most favored child of his father but, is the cruelest and ruthless among all of his seven half brothers.

Ten years of marriage.Known since childhood.Yet, he felt he had never known her.What he saw was a loving and gentle wife. But what he heard about her from others had always been different.One said she married him for his money.One said she seduced a Prince behind his back.One said she spiked her sister and sent her to a man’s bed.One said she tortured the servants behind his back.One said…He had heard many such things but never believed anyone.Until one day, he saw how she scolded his brother, slapped his sister-in-law in the face, and pushed his nephew into the pool.He couldn’t take it anymore and asked for a divorce but she rejected to his face.Then he heard the news that she obtained the shares of their company and was about to overturn his brother’s position.“How did she turn into a scheming wife?” he asked, not really expecting any answers.But he got a chance. He woke up to the day he got married.He thought it was his chance to get rid of the woman from his life. He would save his brother and his family from his ‘wife’. He will get a divorce from her.But…Why couldn’t he get rid of this wife at all?Had she been so scheming all her life? Clearly not.In this life, he started seeing her life the way he had not seen before. From her perspective, she had shed tears without him knowing.He realized that he had been a bad husband all along.Suddenly his life changed from trying to divorce her to changing her ‘fate’.Who would win in this battle?Her fate of becoming a scheming woman? Or his determination and … love?