hi here you can have a pillow on the sofa without mods or cheats

Instructions:

First, make a 4 X 1 hole in the ground.


after that you have to put glowstone in the middle (you can also use sea lanterns)

after that you have to make banners here is a suggestion from me but you can make your own


when you have made them then you have to put them at the ends of the hole
!!!I recommend to put the something oblique!!!

did you do that you have to put stairs like in the pictures



 
at the end you can still put trap doors on the sides




and ready is the sofa with 2 cushions

I hope you like it.