Konoha: Sakura, I'm Not a Bad Person!

[The protagonist is a bad guy, defecting, and decisive in killing. Killing enemies can drop treasure chests, which can reveal attributes, ninjutsu, blood stains, etc. Qiuyue Kongshan's strength has grown rapidly like a snowball. One day, Qiuyue Kongshan called Sakura to his side. "Sakura, if I defect, will you come with me?" "Tch, stupid brother, stop joking, how could you defect?" The next day, Akizuki Sorayama broke into the Hokage building, stole the sealed book, defected to Konoha, and was wanted as an S-class traitor. Sakura was completely confused. It turns out that her brother is so strong. She must bring her brother back to the village.