Hanako Hoshiko's Time Travel Adventure

Lots of work, little pay, and no good men... The main character, Hanako Hoshiko, who was fed up with her current life, suddenly returned to the world 10 years ago! What appears before her is a nostalgic academy and her classmates. And she is determined to do a lot of things she couldn't do before! It is her "mission" to solve people's problems in the academy and to have sex with the boys. Can she complete it?