Emael Mosekhesailho (Rihan: "Unforgivable") is a Star Trek Online fanfic by StarSword, written for the third prompt of Star Trek Online: Unofficial Literary Challenge #13: "In A.D. 2410, War Was Beginning". It is part of the Bait and Switch continuity. Emael Mosekhesailho is an origin story for Sahuel t'Khnialmnae, the tactical officer of the RRW Bloodwing under Khre'Riov Morgaiah t'Thavrau.