I'm a new writer, so far I'm working on my book

Servant X Master

It hasn't been published yet. The main charaters are:

Miki H.(Master, 15)

Shuu M.(Servant, 15)

Shinobu M.(Servant, 16)

Suri M.(Servant, 16)

Nageki M.(Servant, 15)

Uma M.(Servant, 15)

Kuro M.(Servant, ?)

Blue F.(Master's friend, 12)

Uhrmann S.(Master's friend, 14)

The story takes place in modern time, in Miki's first apartment- then soon after, mansion.