Mako Mizukoshi is a student at Kazami Junior High School, attending class 3-1. She is a supporting character in D.C.S.S. ~Da Capo Second Season~. She comes from a wealthy family; her father is a hospital director, and she has a younger sister named Moe and a younger brother. Mako is competitive and energetic, often taking on a leadership role among the girls in her class. She is quick to scold others, particularly Junichi Asakura and Suginami, when she finds them being noisy or foolish. Despite her sometimes short temper, she is a loyal and concerned friend, especially toward Nemu, whom she cares for deeply. Mako has had a rivalry with Suginami since elementary school, and the two frequently quarrel. Her personality is also defined by a strong sense of independence and a tendency to get angry easily. She is exceptionally skilled with the violin and is a member of the school’s music club, which she shares with her sister. Her dignified performance stance has made her popular among both male and female students, and she receives many chocolates from other girls on Valentine’s Day. Mako is often seen having lunch on the rooftop with Moe, enjoying a hot pot meal called nabe. In terms of physical traits, she has short blue hair and green eyes, stands 154 cm tall, and weighs 40 kg. Her birthday is February 14, and her blood type is O. Throughout the series, her role is that of a dependable classmate and friend who provides both comic relief through her quarrels with Suginami and emotional support for Nemu. She does not possess any magical abilities, and her development remains consistent as a spirited and protective figure within the group.