Adonis by L Sherleen

Accused of a hate crime and expelled from school in his final year, Connor returns home to his seaside town to let everything blow over. There, not only does he have to learn to deal with the addition of two new stepbrothers and a new stepdad, but he also has to grapple with a world set against him.
It’s not all bad though.
Within his dad’s underwater lab, he discovers something in the deep. Something exciting. Something that calls to him. Something that doesn’t shy away from the ugly in him as the world does. And Connor could use the distraction…even if it endangers his life.