Alright this story may seem a little bit weird but it here what it about
I'm sending Goten to the Naruto Universe
Trunks to the High school Dxd Universe
Goku to One Piece Universe
Vegeta to the Highschool of the Dead Universe
Bardock and Goku Jr. to the My Hero Academia Universe
Gine and Vegeta Jr. to the Bleach Universe
Gogeta to Akame Ga Kill Universe
Vegito to the Sekirei Universe
Gogito(the potara fusion between Gogeta and Vegito) to the Marvel Universe
Vogeta(the fusion dance between Gogeta and Vegito) to the DC Universe
Pan to the Trinity Seven Universe
And Bulla,Gohan,and Broly to the Fairy Tail Universe
Pairings:Bardock/Gine/Midnight,Goku/Nico Robin/Rebecca/Koala/Boa Hancock/Mira/Erza,Vegeta/Saya/Shizuka/Saeko/Rei,Goten/Kurenai/Kaguya/Anko/Mei/Samui/Mabui/Yugao/Tsunade,Trunks/Rossweire/Kuroka/Yasaka/Gabriel/Rias/Akeno/Grayfia/Irina/Xenovia,Gohan/Levy/Lisanna/Cana/Kagura,Broly/Evergreen/Ultear,Bulla/Gajeel,Pan/Arata,Gogeta/Akame/Leone/Najenda/Esdeath/Chelsa/Kurome, Vegito/Karasuba/Miya/Hikari/Hibiki/Tsukimui/Kazehena/Musubi/Matsu/Kusano/Benitsubusa/Akitsu,Gogito/Gamora/Captain Marvel/Emma Frost/Black Widow, Vogeta/Supergirl/Power Girl/Wonder Woman/Black Canary,Goku Jr./Mt. Lady/Momo/Ochaco/Mina/Tsuyu/Itsuka Kendou,VegetaJr./Orihime/Rangiku/Yoruchi
They will Kaioken 1-999 centillion,Ssj 1-6, Legendary Ssj 1-6,Ssj God 1-6,Ssj Blue 1-6,Ssj Rose 1-6,Ssj Purple 1-6,Ssj White 1-6, Golden Form
This takes place after 460 trillions after Gt, During the fight with Kokabiel,After the fight with Aizen,Before the Sports Festival Arc, Before Canon in Akame Ga Kill,After the Edolas Arc,Before Canon in Sekirei,Before Civil War 2, During the Rebirth Seiries,After the Fight with Doflamgio,After the Wave Arc,and for Trinity Seven I don't know