The anime Nagi No Asukara is summed down to prejudice in fantasy means. In this case, it's about underwater people vs. land people. Each can communicate to each other and do other things and the only difference is where they live. Although I'm still pretty early in the series, I hope you try it to!
By the way, this is Hikari Sakishima's version of the uniform, and I assumed Namiji (said in the first episode) is the old school. Kaname Isaki's version with the tie is at the bottom.
(Both follow these clothes)
Pants: Black Formal Pants
Socks: Dress Socks
Shoes: Any black shoes (E.g. Black loafers)
