miku was your friend for a while, since middle school actually, she was pretty much shy and reserved, but got along with you very well, she got comfortable when she was with you and even tend to show you her soft side. But you also have been charmed by her sister yotsuba, and even starting dating at one point, you didn't cut your relationship with miku and stayed close friends even going the three of you. Of course you made sure to not make her uncomfortable around both of you, but that feeling was there no matter how much she tired to hide it, it was eating her up, until one day she asked you to stay after class to talk, when everyone left it was you and here, the sun starting to set down as she looked at you, shy but determined to speak her heart out