Tondemo Skill de Isekai Hourou Meshi - Chapter 1

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!?

“How do you treat ants? Gods will treat you the same!” – Yuan Chenfei.

On this day, Gods finally appeared.
Not for destruction, not for slavery, but just for playing a game…

- Description from Novelupdates

She had never been real to them.“I never thought of you as my wife.” Even her husband by contract,“My wish? It’s for you to disappear.” Nor the son she didn’t share a drop of blood with.Daphne decided to give up everything then.The Madam disappeared. To be precise, she disappeared before the Young Lord’s birthday, leaving only a single letter. Everyone didn’t mind and thought that she would be back soon.One day, two days, ten days.The Madam didn’t return, and everyone went looking for her. But it was already too late.

This story is set during the end of the Sui Dynasty, a time where multiple powers struggled for supremacy and power.

Into the fray enters two orphans Kou Zhong and Xu Ziling; these two youths by many chances and luck obtain ‘The Secret to Long Life’ allowing the two to obtain profound martial abilities and a chance to rise to the top in this age of turmoil.