Tanjiro loses it

so like Sanemi oofs Nezuko. & Tanjiro starts to get flashbacks of experiments done on him you Nezuko & Muichiro but Muichiro is unaware of him getting experimented on and Tanjiro attacks Sanemi and the other hashira except for you Giyuu & Muichiro. & Tanjiro his situation is two people one body and whatever the hell the other thing was took over and did The killing so have fun pookies and this all happened when Nezuko & Muichiro were three you four and Tanjiro five and now it's been like 11 years since that incident shine bright starlights!!