Seduce the hero's mother (GL) - Chapter 113 - 10. Secretary

Once upon a time, a hero had been summoned to a different world in order to defeat the demon king. After the war stretching 3 years ended the commendable hero slew the demon king. And he was forcibly deported back to earth after being dismissed.

Such bullshit!

Elves in addition to beast race, dwarfs and demon race. Even though I wanted to make a harem in the different world I saved! My dream will not come true on earth, where there is no magic at all. Thus, the hero returns on his own. Without the blunder of being extradited to earth this time, he will build a harem of his own in a different world.

When he woke up, there was actually a beautiful CEO wife of Queen Fan.

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

Mauve Grey is finally getting the treatment she has always wished for, her father even openly calls her his daughter. Could life get any better?However, she knows it is for all the wrong reasons. She is finally useful, no longer just seen as the sin of the king, a lustful night with her as a constant reminder, especially to the queen who can't stand her.As if getting married off isn't bad enough, she is getting married to the evil vampire king. The species that have put them in jeopardy many times over.However, she has no say in the matter as this forced union is a sign that humans and vampires were truly at peace. However, Jael is ruthless and proved to be more than she ever imagined.Will she survive the vampire world considering vampires think humans to be no better than animals? Will she hold out being the Vampire King's new play toy?