Three Kingdoms: Super Summoning System

A modern-day history student is transported to the late Han Dynasty, becoming Emperor Liu Bian. With Dong Zhuo's forces in Luoyang and his life in grave danger, Liu Bian relies on his newly acquired 'Super Summoning System' to survive. His first mission: eliminate Dong Zhuo and secure his throne. He'll need more than just his wits against the likes of Lu Bu; he has legendary generals like Xue Rengui and Yang Zaixing at his command. But who to summon first?