Traveling Across the Stars, I Actually Became a Qizi

Jiang Cha once traveled through time and came to the interstellar era. People in this place actually had to fight to determine their family status when they reached adulthood! The loser lost his autonomy and became a subordinate of the other party, and had to call the other party his contract owner... Jiang Cha: I swear never to fall in love or have any feelings! The excitement lies behind, keep reading!