(WARNING: MENTIONS OF SUICIDE AND ANGST) 

Imagine Person B is pregnant (mpreg (m/m), fpreg (f/f) and Person B tells Person A and they're both happy, but one month later A dies in a car crash along with Person C. Person B is very devastated and not sure if they can go on anymore. 

Months past, B has the baby and has to raise the child by themselves. They have so much pressure on them that they can't take it anymore and decides to take their own life, but before doing that they left the child with Person D.