HELP PLEASE UWU

hey does anyone know a BL book and it may be QT but the arc i remember and want to read had the MC is a male descendant of a matriarch who was hiding his gender and was a specialist in poison (he was supposed to inherit the tribe) and he and his tribe lived in some death forest anyway the ML gets chased by assassins into the death forest is saved and healed by MC for a long time falls in love then leaves for 4 years to avenge his sect family and then comes back but the MC is inheriting the tribe so they don't see each other then after that the MC actually leaves the tribe to go find him and thats all i remember

does anyone know what this could be i read too much i can't remember names :(