Tanjiro always prized himself as a good brother.Now that he and Nezuko were alone? Nothing much had changed. Everything was for Nezuko. Even though he’d always been… attracted to his sister in a way that was more than just a brother caring for a sister. He tried not to let her know that.

After a long mission, Tanjiro was just glad to come back to the butterfly mansion to her. Always back to her. When he entered the room his eyes fell onto his little sister sleeping as usual.