Reincarnated With A Summoning System - Chapter 700 700 Just In Time

A law professor hiding his origin.A student who falls for him.And one secret that ties them both to the Marino name.Falling in war.Jace Marino lives two lives. Respected law professor by day, mafia heir by blood. He swore he’d left his family’s world behind, until a quiet student named Julian Pole walks into his class and turns everything upside down.Julian thinks he’s just fallen for the wrong man until he discovers the truth. Jace isn’t just his professor. He’s a Marino. And now Julian’s caught between love, lies, and one of the most dangerous families in New York

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

A polite and lethargic boy was reincarnated in another world as a vampire bishoujo.