We See Izuku with Jiraiya Training as They Sense Someone 

Jiraiya: Who's There Show Yourself 

???: Hold it were Not Hostile 

???: Unless you want us to be 

???: Don't Instigate 

Jiraiya: Well hello What's Your Name Ms

Nana: I Am Nana Shimura AKA Paragon and This is My Adoptive son Hitoshi Shinsou 

Hitoshi: The Old Guy Looks Like a Pervert 

Izuku: He is 

Nana: Oh Greaaaat 

Jiraiya: Ahem anyways why are you here 

Nana: Well My son sensed Yours Being Trained by The 7 Hokage 

Jiraiya/Izuku: HOW THE FU-

Hitoshi: I'm Being Trained by 7 Uchiha Madara,Izuna(madara's Brother),Sasuke,Itachi,Obito, Shisui, and Fugaku Uchiha 

Izuku: Wow 

Jiraiya: Unexpected 

???: But Not 

Nana: Who ar-

Tsunade: Names Tsunade I Knew you'd be here 

Hitoshi: 106 

Izuku/Jiraiya: HEYYYY HE GETS IT 

Tsunade: *Punches them into the Ground* DO YOU HAVE TO CORRUPT IZUKU JIRAIYA 

Jiraiya: HEy I'm Raising Him Not You 

Tsunade: *Sigh* Anyways Your son can Train with Jiraiya's Boy

Nana: Thanks Because I don't Know How to train Him

Jiraiya: if You want I can Train You how to Use chakra 

Nana: Your Not gonna charge me to do something Perverted in Return are you

Jiraiya: Please I have Standards 

Tsunade: Uh huh tell that to Naruto 

They Saw Izuku Hooking up his Game as Him and Hitoshi were Gonna Play Games 

Jiraiya: One Being Trained by the 7 Strongest Uchiha and The Other the 7 Hokage this is Definitely Interesting 

Nana: Is that a Good Thing 

Jiraiya: Yea it is But I can Guess That They'll Be Rivals 

Izuku and Hitoshi were Playing Games and Then Hitoshi Showed Izuku his Sharingan which Izuku Said COol and Showed him his own and He Liked It A lot 

Tsunade: They'll Make a Deadly Duo 

Nana: from how You described Chakra I Believe it won't Enemies come After them 

Jiraiya: While their Split up Maybe.....HEY Why don't you Move into Here with Me and Izuku We have Plenty of room

Nana: Sure Thank You

Jiraiya: Your Welcome "SCORE FOR THE PERVY SAGE"

Meanwhile in The Mindscape The Hokage are Facing the Uchiha 

Hashirama: I Must say I didn't Expect us to Meet like us 

Madara: Neither was I Hashirama but Were Training our Own Student 

Fugaku: and He'll Bring Honor to The Uchiha 

Naruto: Yea but Ours will be Stronger 

Izuna: That Remains to be Seen 

Sasuke: Exactly Naruto 

Tobirama: He has Many Many Jutsu's from us Hokage to Learn 

Kakashi: and He'll Train Alot 

Uchiha: We Know 

The Uchiha Smirked and so Did the Hokage as Izuku and Hitoshi are Rivals but in a Good Way as The Two Fell Asleep and Were Placed in Beds By Jiraiya and Nana and as Jiraiya Smiled Nana Blushed as she Found Jiraiya Handsome 

TO BE CONTINUED 

NEXT-TRAINING PART 2

AFTER-4 YEARS LATER

THEN-JIRAIYA'S CONFESSION