AN EVIL DRAGON THAT WAS SEALED AWAY FOR 300 YEARS BECAME MY FRIEND (PRE-SERIALIZATION)
Author: Yagido Mato
Youta wanted a friend, so obviously, he magically summoned one.He didn't quite count with the fact that he'd summon Mumu, a mighty and evil dragon girl, notwithstanding that due to hundreds of years of imprisonment, she's very needy, very weepy, very clingy, and lonelier than the button "9" on a microwave oven.