Suicide by Earth (Commander Lexa)(Lexa Kom Trigeda x G!P Reader)

"My whole life I've felt like I was waiting. Life as we know it on hold until I found an escape. Somewhere to call home, People to call 'My people'. And then, the sky fell, and with it came the stars."
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The 100. season 2, episode 10. Minutes 1:40- 2:32
"You protected my sister before you even knew her. Why?" Eyes turning from Bellamy and to the soil beside him, pondering on his words, the White streaks of limestone and the deer blood on the lower half of his face masking his expressions before he spoke. Standing tall as he stood, affronted by Bellamy's question.
"When I was a boy... I saw a ship fall from the sky. Like Ravens. The man inside was hurt, his body broken. I couldn't get him out." Voice tapering off, Lincolns eyes anywhere but looking into Bellamy's. Both of them visualising the story, stuck in thought.
Bellamy, in question, answers. "Suicide by Earth. I heard the stories in the guard. I just didn't know they were true."
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This story follows Y/n life as a grounder and The 100's as they try and navigate earth and each other.
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One mistake. Though definitely done more than once.
Where Abby has an affair in the early stages of her marriage to her husband, Jake griffin, when she conceives a child to none other than Lachlan Woodson, Jake griffin's best-friend. Conveniently, both of them having only just started training for their respective jobs, leaves them little to no time together while Abby carries out to due date with another man's baby.
With problems arising of what to do, having planned her future out with Jake. Her marriage, her career and eventually a family of their own. Abby confronts Lachlan on the matter, resulting in the arrest of a drunken aggravated assault and a dropship launching.
Could Lachlan Woodson be the infamous 'First man on the ground'? Otherwise known as The Suicide by Earth? And will he be alone?