Kako Isao

This character is a spoiled and insecure individual who acts as an errand boy for bullies to escape their torment. He manipulates a friend named Kirie, whom he constantly controls, as a means of coping with his low self-esteem. Seeking solace, he accompanied Kirie to a nature school where he developed a deep affection for Chizu. His initial excitement about piloting a Zearth turned to despair after discovering the true cost, leading to a mental breakdown.