|“||I just gonna have tons of fun now, so that I can have all the great memories!||”|
Michiru Hyodo (氷堂 美智留 Hyōdō Michiru?) is Tomoya's cousin and childhood friend, and by far the longest standing. She is a student in class 3, in the second year of Tsubaki Girls' Senior High School (椿姫女子高校 Tsubaki Joshi Kōkō?)
Michiru currently attends to a girls high school and used to be part of all kinds of clubs on campus but recently started an indie band called Icy tail . She is preparing for her live performances every day. Michiru composes the music in the game by Blessing Software.
Michiru is a tall girl with short, purple wavy hair and dark blue eyes. Michiru is depicted with her school uniform most of the time, however, she wears casual clothes sometimes.
She would have been a well-rounded student if not for her poor academic performance. She is fickle and naturally good at anything she does. She is serious when it comes to music, though. She is not interested in anything but her band, and enjoys playing the clarinet. Michiru had a prejudice against otaku culture and wasn't happy about Tomoya being an otaku until Tokino, Echika and Ranko told her they were all otaku.
Michiru is kind and caring, but she can also be childish sometimes. She also seems to be naturally cheerful and kind, as she is usually seen with a smile on her face. However, she also has shown to be serious and matured.
- Being born on the same day and the same hospital as Tomoya, she has developed a very close relationship with Tomoya and often expresses their understandings for one another physically but neither of them care that they are of the opposite gender. Michiru likes to play around with Tomoya, like she did in the lake.  However, it is hinted that Michiru has feelings for Tomoya, but due to her stoic composure, it's not clear if she holds any feelings for him.
- Michiru is actually very good at ping-pong.
- Michiru is the tallest girl in the series.
- Michiru is the only heroine in the cast to have seen Tomoya Aki completely naked.