So, if you have not watched/read the anime Sekirei, let me break it down for you as best as I can.
A Sekirei is a being with a special ability such as controling fire, water, electricity, plants, wind, great with fighting with their fists or feet or with a certain weapon, great with technology, killing things, etc.
The Sekireis had origanally come from an unknown place but was found by Minaka-the Game Master and the most powerful man in the Capital city.
Every Sekirei has a companion that they must find in order to merge and be able to tap into their full power. This companion is called an Ashikabi.
An Ashikabi is just a normal human but was chosen to be a Sekirei's master. An Ashikabi can have more than one Sekirei.
In order to merge, the 2 must kiss. Once this has happened, the Sekirei will have been what is called Winged. An unemerged Sekirei is known as a Feathered Sekirei.
Once merged, the Sekirei will has a mark looking like this appear in between their shoulder blades at the base of their neck: 
Each Sekirei has a number and a type.
When first going into battle, the Sekireis must first introduce themselve by telling their opponant their number and name.
Once the battle is complete, the losing Sekirei will go out of commission and the winner must stay by their body to take claim on winning the battle.
Staying by their opponant's body is one final curtousey and is considered very disrespectful and defeats the whole purpose of the fight if the winner leaves right after.
Single digit Sekireis are considered more powerful than the 2 or 3 digit ones, especially 1-5.
Sekireis are often girls and their Ashikabis boys, but there are a few boy Sekireis and girl Ashikabis.
A Sekirei will do any and everything for their Ashikabis and love bonds are often formed between them.
There are 108 Sekireis loose in the city. They must find their Ashikabis in order to win.
The prize for the last Sekirei standing? Being able to stay with their Ashikabis forever.
Rules:
Please be respectful.
Make at least 1 Ashikabi but if you make 3 or more Sekireis please make at least 2.
No powerplaying.
Widen your Sekirei(s)'s numbers, don't be all 1, 2, 3, etc. Go all over like 10, 95, 70, etc.
Don't have all girls.
Ask permission from the person RPing the Sekirei you want as your Ashikabi's if it is ok.
Site rules apply.
Ashikabis and their Sekireis:
Damon-Lilly(108), Erick-Alexis(2)Jaclyn(1)Shuna(15)Lynne(4), Jakob-Ocean(5)
Sekireis without Ashikabis:
Jess(7), Alice(42), Zero(10), Blaze(83)m Konai(6)
Ashikabis without Seikireis:
Jack, Nikky, Derek, Tsunarei
Sekirei Bios:
Name:
Number:
Gender:
Type:
Ashikabi:
Looks:
Ashikabi Bios:
Name:
Gender:
Age:
Sekirei(s)(intended Sekirei):
Looks:
My Bios:
Name: Alexis
Number: 2
Gender: female
Type: Goddess of Death
Ashikabi: Looking
Looks: 
Name: Derek
Gender: male
Age: 19
Sekirei(s)(intended): none yet
Looks: 
Name: Blaze
Number: 83
Gender: female
Type: Fire
Ashikabi: Looking
Looks: 
Name: Damon
Gender: male
Age: 18
Sekirei(s)(intended): none yet
Looks: 