When Shanks dies at the final battle he is sent to the Highschool dxd world as a baby Gremory. When Shanks turns 10 he regains all of his old memories and ability.
(mind) ahh why does it feel like I am suffocating and why is it nice and soft.
as shanks slowly raise his head he looks and sees that he was sleeping in grayfia's breasts and then he takes a few seconds to realise that she snuck into his bed after he passed out last night.
Shanks then sits up and strokes Grayfia's hair as she slowly starts to wake up.
Shanks: morning Grayfia, I hope you had a good sleep I know I sure did expressly because you were with me in bed.
After saying that grayfia cute yawn that shanks loves.
Grayfia: yawn, Morning shanks and yes I did have a good sleep in the first time in a long time.
after saying that grayfia starts to cry remembering her treatment that sirzechs put her through. when shanks see's grayfia starting to cry he grabs her waist and pulls her onto himself and hugs her to keep her close.
shanks: shhh Grayfia let it all out, I am always going to be here for you so you don't have to worry anymore
after shanks said that Grayfia lets it all out with shanks just storing her back and then after 10 minutes she finally stops crying and then falls back to sleep on top of shanks.
Shanks: Well I might as well go back to sleep now.
_timeskip 3 hours_
when shanks wake's up he notices Grayfia is not in his bed anymore so he gets out of bed and then gets dressed in his normal clothing and then he heads to the kitchen to make some breakfast and then on the way he grabs a flask of rum out of his cloak and then starts drinking it as he finally makes his way into the kitchen. Shanks approaches the fridge then he opened it to get out the ingredients for a full English breakfast.
After cooking breakfast Grayfia, Venelana and rias enter the kitchen to find shanks finishing cooking and all three of them have hearts in their eyes.
Shanks: I was wondering how long it was going to take you three to come down and don't think I didn't notice you two in my bed with me and grayfia but I didn't want to wake you up so I just left you there but if we are going to share a bed I believe a bigger bed would be needed for all of us. Also, its time to eat.
after saying that all of the girls have a blush on them and that just makes shanks chuckles.
_time skip_
Venelans: Shanks would you like to go to school with Rias, if not we understand but because you haven't been in any form of education for a long time we believe it would be beneficial for you to go to school with Rias and you could also keep an eye on The red dragon emperor and if you go to school we will buy a mansion in kuoh for us 4 to stay in with a few maids of course.
Rias:(mind) come on shanks please say yes I want you at school with me and it will also keep all of thoughts perverts eyes off me.
Shanks: okay darling I will go to school for Rias but if I see any perverts doing anything stupid get to hurt them and about the mansion that would be nice to have but I also get a bike because I don't like magic circles I prefer to ride or fly.
Grayfia: I believe we can agree with thoughts terms.
Shanks: good also Rias darling I believe it is time we head to school then, also you know balmung its the dragon god of death but that means he has control over life and death so I am going to revive someone that would make your queen really happy but I am not going to say anymore till after school okay.
Rias: if you're going to revive who I think you are she will be really happy with you but she also might try and take you in the clubroom also that reminds me you are going to joining the occult research club.
Shanks: I don't have a choice do i.
Rias: no you don't also can you stop Issie from staring at mine and akeno's breasts.
Shanks: sure I can do that I also can't stand sick perverts who stare at my beautiful queens.
Rias: thanks darling also its time for school and here if your uniform.
Shanks: Rias do I have to were this it looks like shit and I prefer what I have on but if you insist It will be done just for you.
Rias: okay thanks love and goodbye mother and grayfia.
_timeskip_
after Rias teleports shanks and herself a few miles away from school because shanks asked her to but then shanks created a magic circle and then a really nice bike came from it and then shanks got on it and started it up.
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Shanks: come on Rias get on before I leave you here.
Rias: okay shanks I am coming.
as rias gets on the bike shanks starts revving the engine and soon they are heading to school very fast. as they get closer to school the students start talking about the loud engine coming towards then but it also got the intention of sona sitri serafalls little sister.
As shanks stop at the parking lot he turns off his bike and then gets off after rias of course but as they get off students are coming near and when they see the two gettings off the bike together all of the students start getting angry or jealous about shanks and rias.
Random student male =rsm
random student female = rtf
rtm1: come on how come he gets rias she was supposed to be mine
Rtm2: no i was going to ask her out she deserves to be mine.
rtf1: it should be me instead of rias
Shanks: will you lot just fuck off Rias is not some object that can be owned and also if i see any perverted act near her no one will find your body.
shanks: let us go rias we have to go to the student council don't we.
Rias: ohh yes I guess we do have to but sona and her peerage are the student council so this should be fun I also remember you having a crush on sona when we were younger.
_timeskip_
when shanks and rias arrive at the student council room Rias knocks on the door and then there hear a muffled voice.
???: come in
as shanks and rias enter the soon sona looks up and sees shanks and then sona jumps into shanks arms and doesn't let go.
Sona: shanks I knew you would come back to me.
Rias: Sona what are you doing with my boyfriend.
Sona: R-R-R-Rias what he is your boyfriend I thought he had a harem.
Shanks: Well sona I do have a harem but it only consists of 3 people at the moment but there are 4 people in this school I want to add to it and 3 of them are in this room. However, I know you had a condition to get out of the arranged marriage which happens to be a chess match and if I remember sona you haven't beet me in a chess match ever so can you just forfeit because I know you and your queen have a crush on me and I also want you in my harem so sona will you do me the honour of being your fiance.
