The Boy done good!

My youngest son is a bit of an artist. When he was succesful in obtaining GCSE's to allow him to continue in sixth form, we bought him a tablet laptop whicjh he spends hours on. The other day I saw him doing some art work on it. I asked him to send me the result when he had finished. What I recieved was 3 images which represented the progress of an Anime ispired digital painting he produced as follows-


Which became



and finished as



Any guesses as to which video game inspired this?

I'm quite proud of his ability!