Romantic story Once in a Lifetime introduces fans of adult video games to a high school student who will graduate in just a few months. However, before this long-awaited event, he still has to overcome such a challenge as exams. They are quite difficult, and therefore it is extremely important to prepare well in order not to fail the main subjects. And then comes graduation and a bunch of parties where you can really let loose after the difficult tests.

However, the plot of Once in a Lifetime throws other activities at the protagonist – it brings him together with numerous beauties who are capable of turning anyone’s head and thus distracting him from studying. It is extremely important for the gamer to make the right decisions in dialogues and choose a scenario. He can forget about studying and have sex or refuse pleasures and finish school well. Those who like challenges can choose a third way – try to do everything at once.

A large number of pornographic scenes make this novel very vulgar, and therefore it is strictly prohibited for anyone who has not yet crossed the threshold of adulthood. The number of female characters is impressive, and each of them has her own preferences in sex, and therefore the user will see a variety of positions that range from classic intercourse in the missionary position to perversions in the BDSM style.