Mari is the popular and kind older sister of Sunny Suzuki. She's quite talented, able to play piano and bake. Mari is a gentle, kind soul. She loves to help others to her fullest abilities. She's also very loving, being in a healthy relationship with a boy named Hero. Yet, despite how perfect she seems, she can get pushy. While she's understanding more often than not there are times when her perfectionism takes over and causes her to boss everything (including herself) around.