Hero pausing the time and undressing the female and having sex

Until now, Zak Gibbs' greatest challenge has been to find a way to buy a car. But when he discovers an odd wristwatch amidst his father's various inventions and slips it on -- something very strange happens. The world around him seems to come to a stop, everything and everybody frozen in time. Zak quickly learns how to manipulate the device and he and his quick-witted and beautiful new friend, Francesca, start to have some real fun.

When 17-year-old Makoto Konno gains the ability to 'leap' backwards through time, she immediately sets about improving her grades and preventing personal mishaps. However, she soon realises that changing the past isn't as simple as it seems, and eventually, will have to rely on her new powers to shape the future of herself and her friends.

Akari Yoshiyama is graduating high school soon and is expected to lead new life after she passes the university entrance exam, while her mother is working as a pharmacologist. However, her mother has a car accident and the situation is totally changed. She decides to go to 1972 to fullfil her mother's wish.