Soul Penetrates One's Own Personality

The protagonist Xie Xingye accidentally transported his soul into his parallel world personality and got along happily with himself in the parallel world. Afterwards, the signs of the doomsday world came, and he and his parallel world self became very good teammates. The protagonist Xie Xingye successfully mastered the main personality of this body, and he and his own personality in the parallel world gradually became cold-blooded and affectionate under the apocalyptic environment. With their efforts, a team was successfully created named "Chihan".