Reincarnated And Became My Little Sister!!?

Kazuto Tomoe, Whose teenage life was always bullied and enslaved by his sister made him unable to enjoy his high school life. But One day when he was out to buy something, lightning struck him several times before dying. Then the unbelievable thing happened, wich is he was reincarnated, but not in another world. But in the same place and in the same family. Besides that, he has become his own sister who always oppresesses him!! He's comback to the past as her!

What the hell with this plot!! That way he promised to make himself happy who now had become his older brother and would not repeat his sisters mistake in the past happen.

"I will be an ideal sister!!"