Leonine Big Fish & Begonia - Two worlds - One destiny

In a mysterious parallel world beyond the realm of humans, mystical beings control the laws of nature. Chun is one of them and, as tradition dictates, must participate in a transition ritual on the occasion of her coming of age to explore the world of humans. However, as soon as she travels through the portal in the form of a red dolphin, a great misfortune occurs: she gets caught in a fishing net and is in danger of drowning. At the last moment, a human boy named Kun manages to save her but loses his own life in the process. Moved by his kindness and bravery, Chun decides to make a deal with the soul collector to have Kun reborn. However, she pays a high price for it...