Transmigrating to the ninja world, I awaken a strategy and development system, but as my strength grows, why does it feel increasingly chilly behind my back?

"You're saying I'm special, right?"

"Senior, you gave me hope to live. I will never let you leave again."

"Chenye-kun, let's leave Konoha and go back to the life we ​​had back then, okay?"

Chen Ye: Speak properly, put the knife down first...

...

[Harem] [Battleground] [Daily Life] [Development] [Level Up]

——

[Transmigration + Another World + No System + Fantasy + Magic + Slice of Life]

"Brother, we're going to be late! Please get up quickly!"

"Sleep a little longer, sweetie, let me sleep a little longer..."

"Big brother, wake up! Today is the entrance exam, if you don't get up I'm going to use the special wake-up service!"

"Um... Xiaoxue, could you please get off me first?"

Grandmaster Dongfang Bai's greatest achievement upon traversing the Celestial Empire—

Not becoming a Level 0 loser,

Instead, she became the "key protected waste" of the genius mage's sister.

Younger sister: A level 5 genius beauty whose daily skills are being able to defeat everything in sight and creating "surprises" for her brother.

Brother: Lv0 Salted Fish, his survival skill is to try not to be driven away by his sister's excessive protectiveness.

On the first day of school, the entire school witnessed this outrageous scene:

"My sister could punch Cerberus to death, but she insisted that I braid her hair myself."

"My brother can't even make a water balloon, but he's the best brother in the world! ...Hey? Brother, don't run away!"