Never Leave Me Like This (Ereri/Riren Fanfic)

15 year old Eren Jaeger has always been good with children. He desperately needed extra money to help pay for a surgery that is highly needed for his mother. Why not start a baby-sitting? Like I said, this kid was desperate to keep his mother alive.
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20 year old Levi Ackerman loves his girlfriend, Petra, and loves his 3 year old son, Jackson. He has a nice, well-paying job, as well as Petra.Both of them work about all day. They have a kind nanny to stay at their mansion, and watch little Jackson while they were gone. Overall, they loved their life.
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This is my first fan-fiction that I actually plan on finishing... Lol
But a few things that i think you should know:
-This is a boy x boy fan fiction
-There will not be male pregnancy. (For some reason that bothers me... Don't ask why 0-0)
-There will be no lemon/skut/ sexual content
-This is my first fan-fiction... So it may suck sorry lol XD