MY NAME IS ZUSHIO

From Anime New Network:
Zushio was to be king and promised his sister that he would become king (on penalty of death). Unfortunately for him, his empire was overthrown and now he's a wanted man. A girl has the misfortune of running into Prince Zushio and becomes tangled in his plight. Adding to her misfortune, Zushio is not quite right in the head, but hey, at least he seems to be immortal.

Genre(s): Adventure, Comedy, Fantasy, Shounen

Updated Time: Oct 22, 2016

SETO NO HANAYOME

From AnimeWaves:
A young boy gets saved from drowning by a mermaid but according to mermaid law, if a human sees a mermaid's true form, both are to be executed. The only solution to the problem is for him to marry her and become part of the mermaid family.

Genre(s): Comedy, Fantasy, Harem, Romance, School Life, Shounen, Supernatural

Updated Time: Apr 18, 2020