Sci-Fi: (Setting) Self-explanatory. Anime of this category should contain Science-Fiction elements.
Harem: (Story/Location) This is a sub-genre of the "Romantic Comedy" genre. To qualify you have to have a single, dateless, nice guy who suddenly finds himself surrounded by a bunch of hot girls/women who are interested or attracted to him to varying degrees. The male lead may also live with many of these girls.
| Title | Rating | Synopsis |
|---|---|---|
| G | ||
 G-on Riders |
Rent |
In a near future time when alien attacks have become a common event, a secret (Japanese) organization called the GRA (GRAND RIFUREKUTO AMUDO, Grand Reflect Armor) has developed a very effective defense. Using a technology developed by Dr Sanada Mio, which she calls the 'G-On', certain young students wearing glasses (hence the "G" in the title) are able to harness their strong feelings and manifest those abilities and weapons that prove effective against the alien attacking units. The GRA has sponsored an elite high school to help identify and develop the students who have this ability in the hopes that they can defend not only Japan, but also the earth from the alien invaders. |
| G-on らいだーす (Japanese) | Rent | See G-on Riders |
 Guardian Hearts Power Up! |
Watch |
They're back! Hina, (AKA Guardian Hearts, or "Guarts", for short) and her alien compatriots Chelsea, Daisy, Kurusu, Maya, Kotono and Po surround the hapless Kazuya in "the chaotic and exhausting world of sci-fi love-comedy". |
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