Ren is an angel, who had saved [Nikita](https://anilist.co/character/37535) from death in the same crash which his parents died from. Since this was changing the destiny of a human, which is forbidden for angels to do so, Ren is punished by God to live on the Earth temporarily neither as an angel or human. By the end of the episodes, it was time for her to leave Earth, as she had served out her sentence.

Based on the erotic game by G.J?.<br>
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Shindo Nikita has a secret that he has been hiding for a long time&mdash;he loves hentai and h-games. He enters "The Alternative Trivia Research Club" where the first of his many sexual encounters takes place. Despite that, he finds out that both of his foster sisters are in love with him, and he has to make a choice&mdash;who does he really love?<br>
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(Source: Anime News Network)

Ren Aoi