Keigo is highly intelligent, both emotionally and logistically. He has a carefree and jovial attitude, while his constant vigilance hides under layers of serenity and equanimity. He acts laid-back while being on constant alert, usually speaking his mind and coming off as quite rude at times. He dislikes formalities, acting unpredictably while being cocky and taunting. He acts nonchalant and jokingly submissive since he doesn't care about social status or recognition. He uses a lot of sarcasm.