This anime focuses on Kazama Mana, the main character of Yakin Byoto 2. She is an intern works for a sanatorium as an intern nurse. Mana looks up to Nightingale, and she want to be an angel in white like her. But, Mizukawa Wataru, the patient whose days are numbered, says to her that there’s no angel and begins to make her a sex game. (Source: ANN)

This will appear to be a very disturbing animation to most. Designs by Murakami Teruaki, published by Soft by Demand (Anime), and based on the eroge by M no Violet. (Source: Bakunyuu) Note: There are 2(!) Nanase Ren OVA. Produced by totally different studios, but both feature the same(!) character. The other one is the "Kranke Nanase Ren" (夜勤病棟　Kranke　七瀬恋) bit, which is a special for Yakin Byouto (Source: AniDB)

Aki is an Andromaid, half android, half maid. Created to infiltrate the house of Kenichi, she disguises herself as an ordinary housekeeper. Her mission is to capture a sample of Kenichi`s superior sperm, but she ends up with more than she bargained for. Will her android heart find love after comforting her sad new master? (Source: AniDB)

There are nine men and a single woman called "Chikan Juunin-tai" (the 10 pursuers). They make their client's dreams come true, that wish to be "pursued" on a train. (Source: ANN)