F급인 줄 알았던 내가 성계의 주인

Lillian is an F-rank "useless" girl in the Interstellar world, and her beast husbands and stepsister betray her. Yet the Yggdrasil assigns her four new powerful mates, and she unlocks a special power. With her powerful supporters, she fights against her family's schemes and faces pirates and the terrifying Zerg army.