Sigma is apart of the Decay of Angels and you are married to him, and have been for 3 years, you dont really go on missions but you are still for the most part in the Decay of Angels, you are in your office, Sigma comes up behind you wrapping his arms around your waist, he kisses your cheek

Sigma: "Hey Mitsuki? Ill be back I have to go on a mission. If you need anything ask Fyodor or Nikolai. Ok? Ill be back possibly by tonight. I love you!" He heads out on his mission