Mecha: (Story/Location) This is a genre of anime which features mechanical fighting machines. Often these take the form of giant robots but this isn't the only form mecha can take. There are tons of examples of mecha titles considering the popularity of the series.
Dark: (Style) Titles that are dismal or gloomy in nature qualify for this category.
OVA: (Type) OVA = Original Video Animation. These are the direct-to-video anime titles done in Japan. Often, OVAs can start a franchise (Tenchi Muyou! Ryououki), start a TV series (Mahou Tsukai Tai!), be a sequel to a TV series (Love Hina Again), or be a stand-alone title (Aa! Megami-sama! OVA). Sometimes, the OAVs are named the same as the TV series and thus will sometimes have the term OVA listed after the title's name to separate it.
| Title | Rating | Synopsis |
|---|---|---|
| S | ||
| Saikano - OVA | Rent | See Saishuuheiki Kanojo - Another Love Song |
 Saishuuheiki Kanojo - Another Love Song |
Rent | This OVA retells parts of the Saishu Heiki Kanojo TV series from the perspective of Lt. Mizuki (Chise's superior officer and fellow Ultimate Weapon), thus giving the audience more insight into the events behind the scenes. |
| Saishuuheiki Kanojo OVA | Rent | See Saishuuheiki Kanojo - Another Love Song |
| 最終兵器彼女Another Love Song | Rent | See Saishuuheiki Kanojo - Another Love Song |
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