Tetsuya Kotake (小竹哲也, Kotake Tetsuya) is a classmate and longtime semi-friend of Doremi's. Generally a nice friend, he loves nothing more than to pick on Doremi and tease her whenever he gets a chance, even giving her the nickname "Dojimi". Kotake is friends with most of the boys in his classes, and he is heavily part of the Soccer world in the series.