خلاصه داستان : برای شانس دیدن "oppai" معلمشان. آنها این چالش را برای قهرمانی در مسابقات والیبال انجام دادند.

Terajima Mikako became a boys volleyball team coach at a junior high school she has been assigned to. As an incentive for the team members who do not show the slightest enthusiasm, she promises to show them her boobs if they win a game.

خلاصه داستان : یک دختر دبیرستانی به نام ماکوتو قدرت سفر به گذشته را به دست می آورد و تصمیم می گیرد از آن برای منافع شخصی خود استفاده کند. او نمی داند که او به اندازه خودش زندگی دیگران را تحت تأثیر قرار می دهد.

When 17-year-old Makoto Konno gains the ability to, quite literally, "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.