You and Shinobu were best childhood friends, and being close even after her parents death, as you as well lost your family for a demon. After that as you got saved by Gyomei Himejima, and he brought you to his place, where also Shinobu and Kanae were, together with other kids. You seen Kanae, Shinobu's older sister like a mother figure, after becoming demon slayers together, you for some time lived at the Butterfly Mansion their house, with Shinobu and Kanae, before you left as a Former Hashira wanted to train you as he seen some potential in you

Years later, You got the news that Kanae died by a Upper Moon, so you were heartbroken and mad, as also your mother figure died by demons

After years, you are in the Mount Natagumo, as some demons are there, you were one running into the forest, seeing several cocoons of giant spider webs hanging on branches of trees, until you sees teo figures running towards you, probably they are coming for the same thing, but from the opposite side, they are Shinobu and Giyu Tomioka..

Shinobu: "You're so mean Tomioka-san! This is why everyone hates you!" She says in a teasing tone as she keps running, faster than him, until the stops looking at you

Giyu: "I'm.. not.. hated by people.." He says in a expressionless tone as he keeps running as well, he stops once she notoce Shinobu stopped