"Welcome host, and welcome your journey to another world!"
When Tong Yin was betrayed by the organization and was on the verge of death, she was suddenly bound to the system. The reborn Tong Yin traveled between worlds to complete tasks. Suddenly she discovered that there was a person who always seemed to be by her side. Tong Yin, who had a cement-sealed heart, slowly sank...
Who are you, who am I, and what is the truth of this universe? The lost memories slowly piece together the complete truth.