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タダクニ
A student in Sanada North Boys High who acts as the straight man (or "Double Act") of the group. He is usually involved in Hidenori and Yoshitake's wild ideas despite his disapproval. He has a younger sister whom he hardly talks to, but is stronger than him and his friends. He also works part-time at a pizza restaurant. Despite being introduced like a main protagonist, he gets the least roles in the trio. Gradually, he loses screen time and fades into the background, appearing even less than supporting characters.
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