So it happened again( cum in bed)

So last night was more eventful as before … dad went to a relatives wedding and due to college I had to stay back with mum .. And we shared the bed again !! After a long time !! It was very hot outside so we had the AC to lowest settings ..made it chilly watched a movie and had coffee .. Now we have a double bed and a blanket for the same .. as it got really chilly we decided to get that blanket instead of increase the AC temperature..as the chill was great and we decided to sleep that way … in the same v blanket!!! I just wasn’t able to sleep .. her body was touching me on one side sometimes her ass would be on or near my hand or sometimes her breasts would be touching my arm or back !! I just could have it and with other arm decided to rub my self .. very slowly not to disturb her and move to blanket I was so fucking horny It took about an hour and it was about 2 AM but I finally came ..in my underwear and decided to sleep with it !! As I finished and turned over to sleep my mum moved a bit(real scared then) but just came a bit closer and hugged me from behind !! Idk if she knew what I did or not .. but felt good ..I woke up this morning with underwear full sticky and cum but the load was amazing huge !! She does that Love it !