An Old Monster Is Actually Living Inside My Body

(Multiple worlds + multiple races + no System + near-invincible protagonist + connections + divine duties) Of the Ten Great Worlds, Fang Liang was born into a law-enforcement family in the First World. Soon after his birth, his entire family was slaughtered. Queen Asla, ruler of the First World, adopted him as her younger sister in name and raised him to adulthood. “There’s an old monster living inside me?!” “You little brats, you’d better stay alive!” The six of them started from nothing, and now their home isn’t big enough for everyone.