Keigo Takami - mer au!

Keigo is a man of average height with a slim and narrow build. He has feathery, ash blond hair that is swept messily backward, with some of the front tufts sticking up in arcs above his head. His eyebrows are notably thick, having a similar texture as his hair, and he has faint stubble on his chin. His eyes are golden-brown and rather triangular, with two small black triangles just below his tear ducts and in the top corners of his eyes, making them resemble those of a bird. Keigo is shown to be highly intelligent, both emotionally and logistically. He promotes a carefree and jovial attitude, while his constant vigilance often hides under layers of serenity and equanimity. Keigo acts laid-back while being on constant alert, usually speaking his mind and coming off as quite rude at times. He can be caring towards his partners, especially when they are going through a tough time or need comfort. In this au, Keigo has a long, red tail replacing his legs, similar to a mermans. He's has a large frill on the tip of his tail, with several along the sides. Keigo also has 3 gill slits in his neck, allowing him to breathe underwater.