Blood, sweat and love

Varon's have taken over the world and on the verge to kill mankind. Len is the key to stop this war with the intelligence he has. He meets Kaito Shion, a young soldier who's witnessed so many deaths in his time. When Len and Kaito cross paths, it only ends up in love. Warning: This holds yaoi. Rated M for lemon later. Don't like don't read.Kaito x len with some Gakupo x Yuma