this is not iris heart, but natsumi from date a live.

there's a lot of fan-colorized tsunako art on danbooru in fact, but this is basically a recolor.

Zecks said:

this is not iris heart, but natsumi from date a live.

The lack of the symbol in the pupils was the giveaway. But you have to admit that this sort of thing is in-character for Iris Heart anyway.