Little Tyrant Doesn’t Want to Meet with a Bad End

*Roya, a 20 years old university student in our world who like to play Galgame. 
A guy who do not have any strange family background, nor did he have any love experiences. 
He never had thought one day, he would became a transmigrator by a traffic accident.. 
That is not the worst, he had transmigrated into a famous Galgame which he had played before! 
………. 
Roya Alucard, a famous evil young master in fantasy world, Even the servants would change their expressions when they mentioned him.
Also known as the big villain of the famous Galgame who had miserable death ending！ 
But it all will happened years later.  
Now, Our modern guy was just a nine years old noble boy who was also the only son of the ancient marquis family, St. Maestre Theocracy, one of the top three families in the continent.  
The next head of the family, a true noble.
…… 
The black-haired boy in the study hugged his head in disbelief.  He felt his blood pressure slowly rising, and felt dizzy as if he had a cerebral thrombosis. 
"There really is... Hehe, it's over, it's all over! What should I do?” 
“Ding” 
“System generating…”
 “Welcome to the Family Rejuvenation System” 
“favorability exchange system loaded, gold purchase system loaded” 
“Name: Roya Alucard”
“Gender: Male” 
“Age: 9” 
“Bloodline: Black Iron”
“Title: None” 
“Level: F (Sorcerer-Apprentice)”
“Basic Spell: Heat Wave, Formless Hand (Broken)” 
Now as the biggest villain, How would our Little Tyrant do to avoid the bad ending？"