MTL - There is a Problem with This Online Game Planning - Chapter 301 cast ship

This legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.

Synopsis ___________________ Viretta Medlit is a hopeless braggart. One day, she casually boasts to a young man she meets about her unfortunate arranged marriage, only to discover that he is her fiancé. To make matters worse, her exaggerated claims stir something within him. “Are you prepared to face any hardship?” “Of course. If it's for the one I love, I’d even hunt a dragon!” “Then let’s go hunt a dragon. And break off the engagement afterward.” Thus begins Viretta's journey to hunt a dragon… All in the name of breaking off her engagement with a fiancé she actually finds quite agreeable!

The Empress who dies in torture, An Rushuang is her name. After she wakes up, she finds herself has time-travelled to when she was twelve years old, but she would turn into Major General’s white horse at night. He is a general who orders about the winds and clouds on the battlefield, and she is a little girl lives in her boudoir seclusively.
She endeavors to change her fate, and he spared no effort to win every battle. They meet each other every day, well, it’s night to be accurate. Is that a dream or not? She pleads to marry the seignior to win peace for her family, only to find he is the one she is going to marry.
“Growing old with you under the same roof is my long-cherished wish”, thought them both.

- Description from Novelupdates

The heavens and earth change when the blood phoenix descends.