About "Kodawari Sakurairo Tamago(Cherry blossom colored Egg with special care.)" sold at food supermarket Inageya.

https://www.jz-tamago.co.jp/sakurairo/

I've been looking for a way to 

get a better understanding of 

how to use 

the "kodawari sakurairo tamago(Egg)" 

in the food supermarket.

I think it says they use NON-GMO.