Hexaae is the main villain from Apidya. He is an evil wizard, who creates a swarm of mutated insects, which he sends to attack the defenseless Yuri. Her boyfriend Ikuro finds her on the death bed, and decides to go on a quest to find an antidote and defeat the evil wizard, turning himself into a wasp to fight the mutated insects. After fighting through the insect forces, Ikuro reaches Hexaae's castle, reverting to his human form and using his sword to behead the wizard. After Hexaae is killed, Ikuro finds the antidote and saves his girlfriend Yuri.