I'll protect you

It's been a while since the whole ordeal had happened and Guren and Shinya had moved in together. Yuu and Mika live in their house too after it was agreed the
four had a strong connection and should stay together. After living together for a while, the family start to realise their true feelings for each other and they end up being more than just good friends.

What will happen to the four of them and will the vampires decide to come back for revenge?

*WARNING*
There are going to be spoilers in this so if you haven't finished seraph yet, you might have parts spoiled for ya. Just a warning =).