Natsukawa Neiko is the queen of the new demon kingdom, she is also a member of the "Pink Love Girls Group", which is a private military organization affiliated with the human state "RainbowMoon Alliance". You should not know about the "Pink Love Girls Group", because they always work secretly. She was invited by the leader of the group, Akitani Youko, to join the group after knowing her father's true identity is the hero of "RainbowMoon Alliance" She destroyed the old demon kingdom with the "Pink Love Girls Group" together after knowing the king was the man behind her mother's death, and she later received all surviving demons and made them a part of her new demon kingdom. Although she has a great figure, she actually feels really ashamed and doesn't like to show off her body. Her erotic clothes were only for showing her majestic to the residents. She is a good friend of the angel member in the group, Fuyumura Mio. However, due to her tsundere personality, she never liked to admit that and kept quarreling with her.

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