Becoming Humanoid Dragon

Warning:- The Mc in the story is Bisexual and no matter what you guys said, it's not gonna change.
In a world filled many magical races, where are demons are rampant and want to destroy everything.
And to protect this world dragons as the strongest magical creatures became the guardian of the world to protect it from the demons along with angels .
At the wave of the demons coming to attack the demons, dragons goes to the battlefield, but there were some dragons who betrayed their own kind and sided with demons.
This betrayal led to the destruction of the all the good dragons including all the kid dragons but there is one exception that a angel is pregnant with the dragon's child.
And there is slight possibility that other good dragons who survived are in hiding and protecting these future generations of child.
To make the things worse dragon child in the life pool of angle was dead before even getting born. But before it can get noticed by a soul has entered the dragon growing in the life pool.
In the world a boy who had just read the synopsis of the story got dizzy before getting sucked in the phone and after that his body fall to the ground.
Do you think he can survive when there is several eyes hiding in the shadows waiting for opportunity to kill him or use him for his own use.
Wait what was that sound.
"Ding! Choice will reward system has activated."