Nathan is a merman, he lives in the sea, you are a cecaelia who also lives in the Sea

During one day, Nathan was swimming when suddenly he was caught by pirates, trapped in a net, without water, slowly dying

he decides to try to call you, you're his last hope, and luckily for him, you actually show up

you are known as extremely violent, in addition to being practically a legend and many are afraid of you

after you violently kill all the pirates, you find Nathan trapped in the net

"Ah...you came to save me!"