I Will Kill The Author - Chapter 342 The Arrival At Mount Hua

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?

Heed my call! O’ Dragon of Eternal Sin, the Progressive Disaster, the Forerunner, the Land of Eternal Peace, the Flames of Soul Burning, He Who Owns The Deep Soul, the Sound of Origin, the First Cause of All Things, the Principle of Circles… o’ great Negary, your servant calls for your return!

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

Ashen was a man from earth.His job?Nothing he just helped lonely women who didn't get enough love from their Husbands with his huge dragon of love.He didn't left any prey who he had his eyes on, whether it be Mom or daughter, all would be caught in his lustful hands.But after getting in an accident, he is reincarnated into a useless Prince's Body in a cultivation world.[Ding! Welcome Host I am the Villainous System]Ashen: “Villainous System? What is that?”[Ding! This world has innumerable protagonists but only few villains, therefore, to maintain the balance you have been brought into this world and I am here to help you in your journey]A sinister smile hanged on Ashen's lips as he muttered: “Doesn't that mean I can do all that I want”[Ding! No host, you are the useless prince now, You need to become powerful to do that]Ashen's smile retracted for a few second before appearing again: “Oh, I am a Prince? Then shouldn't I have a harem?”