DNA²: Karin Aoi

She's an DNA Observer from the future, whose mission is to travel back in the past for the mission to stop the Mega Playboy from awakening which caused her to shoot Junta Momonari with a specific DMC that will eradicate the Mega Playboy DNA out of him. While she finds and shoots him fast enough, she learned that she accidentally shot him with the wrong DMC. Instead of removing the DNA, it has caused the Mega Playboy to be brought to life too early. Because of her mistake, she was forced to work with Junta to control over his Mega Playboy side of his DNA before it takes over him completely. This is from Episode 3.

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DNA²: Tomoko Saeki

Ryuji's ex-girlfriend and one of the most beautiful girls at Junta's school. She felt in love with Junta because of the Mega-Playboy transformation he obtained by accident from Karin. Because of her mother's death and her father's business is at overseas, she lives alone at her house. Her insistence at getting Junta, even when he has no interest, cause Ryuji to be furious which led him into taking revenge over her by taking down Junta himself by force. This is from Episode 10.

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