Sherlock fic: "Ampersand" 1/?

Title: Ampersand
Pairings: Sherlock Holmes/John Watson, Mycroft Holmes & Sherlock Holmes, Mycroft Holmes/John Watson, Mycroft Holmes & Sherlock Holmes & John Watson
Tags: Alpha Sherlock, Angst, Asexual Relationship, Asexual Sherlock, Babies, Beta John, Blow Jobs, Bonding, Developing Relationship, Domestic, Family Feels, Friendship, Hand Jobs, Hurt/Comfort, Kissing, Life Partners, Non-Sexual Intimacy, Masturbation, Mpreg, No Incest, Omega Mycroft, Omega Verse, Parenthood, Pining, Platonic Bonding, Polyamory, Pre-Poly, Pregnancy, Requited Love, Sex, Sexual Frustration, Slow Burn, Unconventional Families
Summary: John isn’t all that interested when he finds out that Mycroft is pregnant. Mary just left, things with Sherlock are difficult, and nothing is the same, most of all not John himself. But then there is a bond needed, a baby born, and it was never meant to happen like this, but somehow... Family, love, sex, and making it work - the complicated way. Post season three Omega Verse AU!