The Space Underwater

Justin has this condition called 'Thalassophobia', meaning, he is extremely terrified with what could be lurking underwater. Due to this fear, he tends to be considered a disgrace of his family since his family consists of popular swimmers. Since he really wants the phobia to finally vanish, he joined the swimming club of his school. At first, he only wanted to fight the phobia, but after meeting this mysterious swimmer, he discovers something, something that he never knew.