Uppermoon 2 douma x fem! reader

I'm making u upper 4 k?

ur daki's BFF and one day all the uppermoons have a meeting and there u meet douma...

Ur Mitsuris twin sister and with 3 more siblings? Who know?
(This is my au so everyone is young like 15 etc and yoriichi is still alive-)

(this is my first story pls don't judge)