Demon Slayer, My Breathing Is a Bit Cloudy.

Entering the world of demon slayers, Xuanyuan just wants to be a scheming villain. As a result, the painting style was completely distorted. He saw through the obsession of the cold and cold imperial sister Zhu Shi, and she was willing to wash her hands and make soup for him; The Smiling Poison Butterfly Butterfly Ninja took off all disguises and only showed her tenderness in front of him; The arrogant little nurse Kanzaki Aoi blushed and said harshly: "Who, who wants to care about you!" Naturally in love with Zhu Mitsuri, she went straight to the target and wanted to marry him with stars in her eyes. Even the irritable Nezuko in the bamboo box would obediently nuzzle her whenever she smelled his scent. Tanjiro was stunned at the side, scratching his head with shock on his face: "Brother Xuanyuan... Why are they all surrounding you?"