Ako is shown to have chuunibyou tendencies and illusions of grandeur and magical powers. Rinko suspects this is the result of his playing online games frequently.he enjoys playing the role while keeping a realistic mentality. However,he tends to sometimes stumble on his words when his not sure what to say while doing this.
His academic performance is not good, but he is a very strong and skilled drummer, he is also the youngest member of Roselia, also, he adores his older brother Tomoe Udagawa.