Anna and Sonic met when the blue hedgehog lived in his cave and,after he was adopted by Tom and Maddie,they were closer than before,than Sonic had also met Knuckles and Tails

one day Anna invited Sonic to her house and when the evening came after dinner,they took a siesta reading comics of the Winx Club,Sonic was lying on Anna's stomach and he was reading with her

suddenly Anna turned the comic page and see that there was Bloom's backstory very sad and it was so heartbreaking that Sonic got emotional and hugged Anna