Here is the updated text with "cosplay" changed to focus on anime:
Thank you ever so much for your request. I could not help but notice your dedication to the art of anime; however, I regret to inform you that our creative interests appear to be quite distinct. I am terribly sorry to disappoint, but I am unable to approve your application at this time. As a small token of my appreciation for your interest, I have left a 'Like'(252) on your profile page. I truly appreciate your kind understanding in this matter.
Thank you ever so much for your request. I could not help but notice your dedication to the art of anime; however, I regret to inform you that our creative interests appear to be quite distinct. I am terribly sorry to disappoint, but I am unable to approve your application at this time. As a small token of my appreciation for your interest, I have left a 'Like'(252) on your profile page. I truly appreciate your kind understanding in this matter.