MERAS MUS HERE And this chapter will tell you what you need to know
Your harem:

Raynare

Relationship: your boss
Kuroka

Relationship: old friend
Koneko

Relationship: old friend
Irina

Relationship: your sister
Asia

Relationship: you protect her
Miliant

Relationship: she likes you
Rias

Relationship: old ex
Xenoiva

relationship: old friend
Sona

Relationship roommate/ her body gurad
Akeno

Relationship: an old friend

WEAPON

Your grandfathers sniper rifle
WHAT YOU LOOK LIKE
you are 5'11" and look like the sniper but 18.
You were normal clothes and when your out in the field you were your fathers gear