Douluo: Your account will be blocked at the beginning, and you will become stronger when you recogni

Ling Tian accidentally crossed over to the Douluo Continent where soul masters are revered. Fortunately, Ling Tian was bound to the [World's Strongest Sister Recognition System] and he could get generous rewards as long as he recognized his sister. At this point, Ling Tian has gone further and further on the road of recognizing his sister. [Congratulations to the host for recognizing my sister Xiao Wu, reward: instant upgrade card for level 90 soul power! ] [Congratulations to the host for recognizing his sister Zhu Zhuqing, and the reward: Encyclopedia of the Holy Book of Medicine! ] [Congratulations to the host for recognizing his sister Xiao Xun'er, the reward: Heavenly Intermediate Martial Skill, Great Desolate Prisoner's Finger! ] [Congratulations to the host for recognizing Queen Medusa, reward: Emperor's [-] Style! ] ......... All living beings in the world: Don't you only recognize your adopted sister? ...