MTL - I Was a Top Student In Conan, But I Was Actually An Onmyoji - Chapter 7

Matthew grew up in a decent family filled up with hopes, dreams and big heart, but living a shitty life which were suddenly demised with the unexpected turn with a mishap. With the new changes of his body, he finds new powers and wondering into new dimensions. This new enigmatic power is suddenly taking soul form his body and making him something beyond of his imaginations.... His tasks are unclear but he has to take soul of each demon he meets in his path... With his powers he has bigger responsibilities in each of the dimension which is beyond explanation…

Two heroes of the game Legend of Heroes 2 who were rotten waters*.

Jiang Hao passed through ordinary people and was forced to be sold into the Demon Sect and became a disciple of the Demon Sect.

I wanted to cultivate with peace of mind to become stronger a little bit so that I could survive in the world of self-cultivation, but was “humiliated” by a female devil in every possible way.

There is a huge disparity in strength, and he can only endure the humiliation and survive, hoping not to meet each other again.

Without a backer, he was favored by the Demon Sect’s headmaster and was able to practice with peace of mind. When he became the chief disciple and met the headmaster, he was stunned.

Looking at the beautiful face of the other party, he couldn’t smile a little. Isn’t this the female devil?

- Description from novelbuddy

Her parents died in planned accident by her uncle. They used her in every way they can. They planned to sue her so she wont take her fathers company back. They want to destroy her life making her penniless. No one knows that she is the not the same girl who was played as puppet in their hands. Five years changed her a lot. Now she is a hidden genius still acting pityfull to take revenge.