* Based on the manga by Kitagawa Shou, serialised for 15 volumes in Young Jump starting 1990.
Swimming in the ocean freediver Hayama Ushio and an old friend named Sara enjoy the splendours of the deep sea, when Sara bumps into a whale losing her breathing mask. Luckily Ushio can breathe under water, and has the power to control it to some degree, thus saving his careless…