The Silent Crow Haikyuu (oc insert)

Follow Mori Kazuha a quite quiet male or should a say mute. Mori had been mute every since he was young. He had a hard time talking with others which left him alone until until high where he met Sugawara, daichi, asahi, and Kiyoko. Fast forward a couple of years and all five of them are third years. What will happen when Mori meets the new first years? Will he come over being mute or will he stay muted?