Sorry, It's Time for an Updated Version of Your Monster.

System cool article Ultraman monsters have no harem Liu Yu accidentally traveled to a world where people could summon monsters and became the foolish son of the boss of a villain organization, but he had no ability to summon monsters. However... Ding! The Monster Emperor system is successfully bound Congratulations to the host for obtaining six Maga Demon King Beasts As a result, the opponent's main monsters turned out to be Sadra and Telestone... Even getting a Golzan was complacent. Liu Yu: "If this is all you have, then I will rule this world!" … Liu Yu stands on top of the world. "It's not that I'm too strong, but that my opponent is too weak!" Opponent: You know whether to open it or not. My friend: Ah, yes, yes! What you said is correct. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.