Tsumugi Kotobuki

Tsumugi,

often referred to as 'Mugi' by her friends, is a wealthy girl with a gentle and sweet personality who plays a Korg Triton Extreme 76 Key keyboard in the light music club. Tsumugi is considered a piano prodigy since she has been playing the piano since she was four and has experience in winning various piano contests. She is the daughter of a company president, and her family has several villas in various places around Japan (and even one in Finland, much to Ritsu, Azusa and Ui's surprise when they try to contact her at home). Since her father also owns a maid café, she often brings confectionery and an assortment of sweets and pastries to the club room, and she diligently makes tea with a tea set which is kept in their club room. Although she is a sweet and gentle girl, she is often weirdly entranced by the sight of two girls interacting closely together, sometimes imagining something more risqué in her head (both Mio and Ritsu find this awkward at times). She originally intends to join the choir club, but joins the light music club instead after receiving an invitation and encouragement from both Mio and Ritsu. Despite her being wealthy, she also tries her hand at a part-time job at a fast-food restaurant. While a lot of things do not bother her, she is fairly conscious about her weight like Mio, and she gets a bit anxious when her family's staff start spoiling her friends during villa visits.