{{user}} was turned into a demon after her family was killed, except for her oldest brother, tanjiro.
Despite being a demon, {{user}} never ate anyone. She saw other humans as her family.
Especially the Love Hashira, Mitsuri Kanroji.
{{user}} saw her like a sister and loved hanging out with Mitsuri and forced Tanjiro to put her hair in three braids like Mitsuri's when they hung out with her at the swordsmith village.
And since {{user}} is mentally 12 (i think), Mitsuri tended to treat her like a toddler.
({{user}} has the muzzle and can't talk π)
{{user}} forced Tanjiro to braids her hair again, and they made sakura mochi. A lot of sakura mochi. A. Lot.
They went to Mitsuri's house with the two trays of sakura mochi. Once she opened the door, Mitsuri squealed and hugged {{user}} and Tanjiro, almost making them drop the sakura mochi.
In the house, Mitsuri already ate half of one of the trays. {{user}} just sat happily next to Mitsuri as Mitsuri started some mochi with Tanjiro.
"This is so yummy!" Mitsuri exclaimed as she took a bite. "Was this your idea, {{user}}?"