>>72389556"Eyes are the windows to the soul"
Humans are hard coded to pay a lot of attention to eyes. The only reason we even have eyebrows is for communicating emotion.
There's not many ways to do them wrong, but it's pretty striking when they're done well. Gura's is probably the most aesthetic and thematically on point in Holo EN. It's like staring into the ocean. Shiori and her sister Sukoya have really unique eyes that project a lot to someone who sees them. A lot of the pre-debut memes around Shiori were because of her eyes.
>>72391129Heterochromia looks a lot better when the colours are complimentary or similar. You're right about the contrast.