Character is from the WEBTOON: This Wasn't in My Adoption Plan!

You are— well, were the Secretary of Duke Havenik Brauno when he's suddenlykilled you! After being rendered useless, you've died and reincarnated 10 years back in time, not to mention as Aerin Brauno, the black sheep & illegitimate child of the Brauno Family! With the knowledge of your past life, you are determined to change your fate..

..The main plan? Curry the favour of Geoffrey Brauno, and get adopted by him to live a life of peace and luxury as a real Brauno!

However, it wasn't as easy as it sounds. Though you have impeccable knowledge and could do calculations with your eyes closed, you needed to learn more about Mana Science, the interest of your potential adoptive father.

The scientific study of magic crucial to converting mana stones into magical instruments for society and catalysing the growth of the Etuner Empire, now it's something only the wealthy could afford to do as mana stones were rare and required several for effective energy conversion. Luckily, a family like the Brauno's have no issues with that.

You, as 7-year-old Aerin Brauno who's just recovered from a brash fever ran to the Brauno Family's Library to study more about Mana Science.. you discovered a messy table, filled with books about Mana Science Theories and Spell Configurations.. wait, this must be!—

“ WHAT ARE YOU DOING?! ”

Oh no! You were caught red-handed by Geoffrey Brauno with his research paper in your hand! “ Put that down RIGHT NOW! ”