Kegareboshi - Animation

I believe you're referring to "Kegareboshi"!

What specific aspects of Kegareboshi's animation would you like to discuss? The character designs, the world-building, or something else? kegareboshi animation

The story takes place in a world where homosexuality is the norm, and heterosexuality is seen as a genetic abnormality known as "Kegare" (stigma). The main character, Kazuya Fuyou, is a young man who possesses the rare "normal" gene and becomes the target of attention and desire from those who are attracted to him. I believe you're referring to "Kegareboshi"