@luvz_yan To answer your question, Yes. Miyo has genuine affection for Yuu. She started to "Love" him in Book 1 and only evolved but is conflicted as she also grew to love Gai. Though, Yuu showed signs of attraction as well, Miyo later learns that, Yuu sees her as a very close friend, whom he can share his insecurities, thoughts, and even his pain. In the Valentine's Day special Chapter in book 2, you will start to learn more about their relationship and where it ends