lol late night and a Harry Potter marathon has lead me to this.

Do you know what lies beneath? Beneath the ground, or even beneath those around you? You never think about it much, until it comes to the surface... And sometimes, it's too late. So come along with me... And learn about the tale of multiple families, merging into one.

Tanjiro gets sent to the HunterXHunter world. How will he survive, and will he meet new friends?