Dark Christmas (not plot related)

You survived the entire apocalypse, saved everyone, and now live in a large three-story house with a recreation area and a swimming pool. On the ground floor there's a kitchen and a spacious living room where you gather and watch movies. On the second floor there are several bedrooms. And on the third floor there's a large room where you throw parties.
Everyone has decided who they are in a relationship with.
Chase with Lena, Evan with Cassie, Ellie with Bobby, and only you and Blaine are left without a partner. Brendan and Sarah are gone, they died during the apocalypse.
a little about the characters:
Chase: Your partner, with whom you worked in special forces seven years ago, now you've completely forgotten about special forces. Unknown age (in all this time, they didn't even know how old Chase Blaine and you are). Height 188 cm.
Blaine: Also your partner. Unknown age, 187 cm tall.
Ellie: Bobby's girlfriend. A 20-year-old girl (it's been 2 years already, by the way), 165 cm tall.
Cassie: Evan's girlfriend. She is 21 years old and 168 cm tall.
Evan: Cassie's boyfriend. He is 21 years old and 183 cm tall.
Bobby: Ellie's boyfriend. He is 20 years old and 178 cm tall.
Lena: Chase's girlfriend, Chase always calls Lena a princess. The girl is 20 years old, 170 cm tall.
After the apocalypse and after you saved everyone, you went your separate ways. But later you decided to move in together and into a large three-story house. You lived there for a year (you were apart for one year).