In Extremis

by thymelord

This is the one aspect of Gallifreyan biology the Doctor doesn’t tell his companions about, and the last thing he thought he would have to deal with when he became the last of the Time Lords.

Until he discovered he wasn't actually the last...

(A/B/O, on-board the Valiant)

Words: 3848, Chapters: 1/1, Language: English

• Fandoms: Doctor Who (2005), Doctor Who, Doctor Who and related fandoms
• Rating: Explicit
• Warnings: Creator Chose Not To Use Archive Warnings
• Categories: M/M
• Characters: Tenth Doctor, The Master (Simm), Lucy Saxon
• Relationships: The Doctor/The Master, Tenth Doctor/The Master (Simm)
• Additional Tags: Episode: s03e13 Last of the Time Lords, Episode Fix-it: s03e13 Last of the Time Lords, Mating Cycles/In Heat, Cheetah!Master - Freeform, Alpha/Beta/Omega Dynamics, Non-Traditional Alpha/Beta/Omega Dynamics, Rough Sex, Choking, Face-Fucking, Collars, (briefly) - Freeform, Infidelity, Restraints, BDSM, Telepathy, Enemies to Lovers, Friends to Enemies to Lovers, why the FUCK is that not a tag that is literally the best trope in the world, Dom/sub