RPG Densetsu Hepoi

After the defeat of the demon lord Hadlar all of the monsters were unleashed from his evil will and moved to the island of Delmurin to live in peace. Dai is the only human living on the island. Having been raised by the kindly monster Brass, Dai's dream is to grow up to be a hero. He gets to become one when Hadlar is resurrected and the previous hero, Avan, comes to train Dai to help in the battle. But Hadlar, announcing that he now works for an even more powerful demon lord, comes to kill Avan. To save his students Avan uses a Self-Sacrifice spell to attack, but is unable to defeat Hadlar. When it seems that Dai and Avan's other student Pop are doomed a mark appears on Dai's forehead and he suddenly gains super powers and is able to fend off Hadlar. The two students then go off on a journey to avenge Avan and bring peace back to the world.

Prince Pietro is the half-human, half-dragon prince of the kingdom of Popolocrois. After the evil GamiGami tries (unsuccessfuly, as ever) to take over the Kingdom, a mysterious girl named Hyuu appears in the forest near Popolocrois Castle, which is the beginning of an adventure for Pietro, his witch friend Narcia, and all their friends. Set following the events of the first Popolocrois game.

A normal high school boy Kisaragi Ryuji's peaceful life is turned into an adventure by the return of his second cousin Eriko. Ryuji and Eriko seize a relic box from a black broker. In the box, they find a red dragon girl Rose. In order to protect Rose from the black organization, Ryuji decides to fight using his power as a relic handler.

In the great Garubado Empire, a lethal weapon is in the process of being manufactured, but is stolen and subsequently lost in battle. Now the Empire is looking for this weapon: a girl that can call forth the "Dragoon" power. She has amnesia and is found by a wandering swordsman in training by who vows to help her find out who she is and why she has such a strange power.