Su Mo is a bookstore owner, and he lives a wandering life in the post-apocalyptic world. The strange person he met one day took his abnormal life to the next level!
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The human Sumer that Arlo came into contact with when he was still a child gave him a feeling of being different from his peers. That warm feeling was something he had never experienced before as a member of the cold family.
Therefore, when he saw Su Mo again after being lost once, he vowed to bind him forever