Author "Katsu" has 2 works in total
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  Though he received the skills necessary to teleport across worlds, the king who performed the summoning ritual attempted to trick him into wearing a slavery collar, this annoyed h...1120K -
  Though he received the skills necessary to teleport across worlds, the king who ritual atte a slavery collar, this annoyed him so he kidnapped the princess and returned to EarthWh...1080K