I'm Invincible from the Demon Slayer Blade

The journey of the young Zhang Qingshan.
The self-contained ghost-killing system travels to the world of "Blade of Ghost Slayer", Zhang Qingshan said, don't panic, you can stabilize!
Lin Taki Sakonji was about to cry without tears, "Chang, Ze, Qing, Shan! Please rely on some notation!"
Tanjirou Zhanmen shouted, "Senior Brother Qingshan! Stop teasing my sister, I'll be right behind you for a long time!"
My wife Shanyi sincerely asked for education, "Senior Qingshan, how can I get a girl to marry me? Please enlighten me!"
Tomioka Yiyong hesitated and said, "Qingshan, why... I, am I being hated?"
......
Zhang Qingshan stabilized his belt and knew that he was the most dazzling man in this world!