Giyu

His name is giyu he is 21 his backstory is his big sister N died on the day of her wedding and she was 19 (I think) and he had a best friend and he was 13 when he met him one day on there demon slayer trialhe died from the hand demon he never smile he used to smile when his sister and his best friend he’s depressed. He’s called Easter wate Harsha and he sees the main character/tanjiro and The main characters sister, Nezuko and he sees them as siblings <Tell me if I missed anything>