3. Which Haikyuu characters are most likely to secretly enjoy singing a lot, but do not want others to know?
[Since doing the requests in your submission all at once would violate my rules, I’m going to do them one at a time. I hope that’s okay.]
Kyoutani: Kyoutani wouldn’t want to appear weak or soft, especially when there were people around, which would be the main reason for him to keep his singing to himself. Whenever he did sing along, he would be slightly out of tune, his rhythm not exactly matching the rhythm of the song. But Kyoutani wouldn’t mind, since it would be for his own pleasure anyway. If anyone ever caught him singing, he would stop immediately, glaring at the person until they’d leave out of fear. Only then a slight blush would warm his cheeks and Kyoutani would remind himself to be more careful next time.
Kiyoko: Despite having a very pretty singing voice, Kiyoko simply doesn’t like being the center of attention. She probably doesn’t mind singing with a large group of people, but doing it by herself is something she probably prefers to avoid. Whenever she’s busy going over her notes, doing homework or cooking, she likes to hum an easy, uplifting tune just for the sake of it. Sometimes, when she would really get into it, she would start singing it quietly, her body slowly moving from side to side.
Asahi: Since Asahi has to put up with the Jesus-stigma, his friends probably jokingly tease him about having some heavenly vocal chords. And perhaps he does sound like someone who would sing in a church choir, being one of the reasons he keeps his singing to himself. Apart from that it’s possible that he simply doesn’t like to sing in front of people, feeling a little pressured and put on the spot.
Aone: Aone has a habit of singing under his breath. Before he gives in to sing along a song quietly, he makes sure that no one is around to hear him. It’s possible that he’s extremely insecure about his singing voice, especially because the way he gets treated by strangers is not exactly something someone would want to endure. Sometimes he only mouths the lyrics to a certain song, slowly moving his head to the rhythm and perhaps, when he feels confident enough, he closes his eyes and a smile silently tucks at the corners of his mouth as he sings along.
Tsukishima: Listening to music whenever Tsukishima is by himself probably more than often tempts him to hum the tune of a particular song. He probably manages suppressing that urge whenever he is in public, although one or two hums resonate in his throat when it’s dark and he can’t see any people around him. He probably does hum or even sing along a particular song whenever he is at home, in his room with his door closed. Whenever his brother Akiteru catches him singing, Tsukishima ends up getting flustered, rudely telling him to leave him alone.