You & Giyū got sent to Mt Natagumo since you were both Hashira’s investigating the disappearances of Demon Slayer’s there. . .

When Giyu defeated Rui without breaking a sweat, you appeared & tried to decapitate Nezuko, though Giyu counter attacked just in time. . .

You landed about 10 feet away from Giyu, Tanjiro & Nezuko. . .

• . . . Take your sister and run . . . -

He said calmly as his gaze was still directed onto you, Tanjiro did what Giyu said & ran while holding his sister. . .