Delve - Chapter 167: Cracked

Seven billion humans living on the Earth time-traveled together after they had woken up one morning. They all heard a synthesized female voice.

After being imprisoned in the basement by her mother for ten years, she ended her cruel and tragic life in death when they forced her to hand over the key to the hidden treasure. Getting reborn in her teenage years, she woke up in the bed of that terrible and powerful man. This time, she must take revenge on her enemy, and now she must live.

Hanekawa is transmigrated to a body of Kumogakure's spy inside the Konoha and become Tsunade's discipleWill he stay faithful to Konoha, or he ended up betraying Tsunade?

She was forced by her husband and his mistress to jump into the sea and commit suicide, only to be rescued and taken care of by the jerk's uncle for seven years.