||Dark Flame Master
is a high school freshman and was once a "chūnibyō patient", precisely an overly self-conscious middle schooler (Evil Eye-Type). During his junior high days, he named himself Dark Flame Master. Whenever he thinks about his past he feels extremely embarassed and tries hard to forget it. He enrolls into a different high school than everyone else from his junior high. The very first friend he makes in high school is Makoto Isshiki, who sits behind him in the same class. On the same day, he is befriended by another student, a girl named Rikka Takanashi, which he quickly regrets due to her embarassing chūnibyō antics. He seems to have feelings towards Rikka, however he has also pondered if he may have feelings for Shinka Nibutani.
Yuuta lives with his family which consists of her mother and two younger sisters. When he is young, he used to imitate as Dark Flame Master and his family usually confused about his antics. Sometimes he embarassed his family members in front of others. He used up most of his New Year’s saving on Dark Flame Master’s gear. He also chanted spells before meals. He meditated under some fluorescent lightings in the form of pyramid at night.