Yuuzu Izumi 泉優鈴

As someone who dislikes conflict, she is often unwilling to take a stand against Erika's unreasonable actions. She is in love with Shuuji, so she decides to learn how to play Tackfam in order to be his practice partner. She ends up asking Fumiya to be her tutor in Tackfam, which eventually leads to a friendship between the two.