When he was in Konoha, he started out as Tsunade's childhood sweetheart. This start required him to change his fate.

The tragedies of World War II and World War III, and the decline of Konoha, all disappeared.

I want to hold Tsunade's hand and walk step by step to the top of the ninja world.

Uchiha Madara, Otsutsuki Kaguya, come if you can!

Traveled to the Prince of Tennis and became a member of the Hyotei tennis club.

The competition is about to start... I feel so weak and frail, what should I do?

Miyashita Rin suddenly discovered that as long as she took care of her health, she could continuously improve her strength!

Strength, speed, skill, mental strength...

Make up for it!

Essence, Qi, Spirit… Mind, Eye, Manas, Alaya…

Make up for it!

The supreme realm, the dimensional world?

Make up for it!

Suddenly looking back, Miyashita Rin was about to take care of herself, take a walk with Big Bear, drink some more tea and lie down, but she found that she had already stood on top of the world...

Levels: Cannon Fodder, Regional, Metropolitan Competition, Kanto, National, World (Physical, Mental), Ultimate (Three Paths Ultimate)

ps: I really don’t know how to write an introduction, please move to the main text~

A sports idiot travels to the world of Prince of Tennis.

Poor talent?

It doesn't matter, the double return system allows you to show off, directly bind to the protagonist, and double the return strength.

"If everything can be bound, why can't we bind Nanjiro?"

[Nanjiro is the boss, no less than the son of luck. ]

"Ryoma, you're nine years old and haven't even started the Thousand Hammers Training yet. I'm deeply worried."

Many years later, after leaving the professional arena, Delongma wrote a book titled "The Story of My Brother Pushing Me to Achieve Growth"