All perfect praise be to Allah, the Lord of the worlds. I testify that there is none worthy of worship except Allah and that Muhammad
is His slave and Messenger.
We see no objection to this work. The fact that the character is imaginary and not real does not affect the ruling; what matters is the soundness of the final content itself and its being free from any matters prohibited by Sharīʿah.
Likewise, digital images, in principle, do not fall under the images that are religiously prohibited, because they have no physical reality; they only appear through their specific devices, when the necessary conditions and specifications required to display them are met.
Allah Knows best