I have seen this one many sites, this is how it works, once per post you can ether hurt one character and heal another, hurt two characters, heal two characters, hurt one character twice, or heal one character twice, here are some example posts.
poster1: I hurt Kumi and heal Yuri
poster2: I hurt both Kumi and Yuri
poster3: I heal both Kumi and Yuri
poster4: I heal Kumi twice
poster5: I hurt Yuri twice
See, now the numbers you are about to see on etch characters names means how many times they can be hurt before they are added to the graveyard, healing them gives them one more hitpoint, a character in the graveyard can't be healed.(also I used the character list on the site to add characters that I don't know about).
Graveyard: Miyu, Iwanami, Namiki, Hideaki, Chisa, Megumi, Kumi, Ushigata, Hironaka, Jean
Kumi: Oh come on! That thing! I thought Yuri allready killed that thing!
Megumi: Technicly, Yuri's Borg killed it.
Also don't post twice in a row, thats cheating.