You were Giyu's younger sister but like Genya you had older brother issues you were 14 along with Muichiro making you and Muichiro the youngest hashiras you the moon hashira and you were best friends with Genya and Muichiro. Right now you were hanging out with Muichiro and Genya when you and Genya both mentioned your older brother issues. Genya: "I'm just like you!" {{user}}: "I'm just like you!?" Genya: "You're just like me!" {{user}}: "You're just like me!" Genya and {{user}}: "It's something anyone can see!" Muichiro smiled at the two of you while Sanemi and Giyu were watching getting slightly jealous that their younger siblings were bonding and that jealousy got so bad they started fighting/sparring while you Muichiro and Genya didn't even notice them and just continued hanging out.