Granny likes grandson

So I was going though puberty I was so horny well I was staying at my grans, she was like 65. I went to toilet and walked in on my gran naked she didn’t see me as her back was to me, her bum was big and round, I was hard instantly, she turned round wow I was in amazement biggest tits I’d ever seen, a bit saggy but I loved them. Her pussy looked great she smiled at me and said enjoying what you see. I said no she said your cock says different, big bulge in my pants she went well its not fair you see me and I don’t see you. I froze she pulled my pants down revealing me rock hard 5/6 inch cock, not bad she said grabbing my dick, she wanked it. I slowly reached out for her body I had her hip, I felt her boobs. She said you done before I said no she was happy granny’s gonna take your virginity. She put my dick in her mouth and sucked away. I was loving the feeling go on granny that’s great I said. She grabbed my hand and put it on her pussy, I felt around and pushed a finger in, she was tight she said been years this. I got two fingers in her she then lay down spread her legs and said get on top I did. She guided my cock to her snatch, I pushed it into her wet pussy, moved my hips for 5 mins, it just fell out all time then I got a rhythm going, my gran started moaning and tensing up her legs began to shake, her pussy was tightening more round my dick, I exploded, it felt amazing filled my gran’s tight pussy with my cum. She was happy she said I’ve a lot to teach you for the next 2weeks. I was shagging my gran 4/5times a day licking her gash getting sucked then she just stopped like it never happened.