This is a Steam version of a hit visual novel game released on the mobile reader app Love 365: Find Your Story by Voltage Inc. It is a collection of romantic, richly illustrated interactive stories with the following premise:

Satisfied with her career and hobbies, the heroine is living her best life without thoughts of matrimony – until one drunken night, she inadvertently ends up married to a certain someone. Now they have to figure out how to pretend their marriage is more than a sham – and learn to get along in private, too.　What starts out as a marriage of convenience turns into a love match. Follow their journey as they get to know one another and learn what it truly means to be partners.
Discover the clever, dramatic tale that is Oops, I Said Yes?! in Love 365: Find Your Story.

An opening movie and adventure feature have been added to the Steam release, so even players that have previously read the app version will discover more things to enjoy.

The Story:
Great job, fulfilling hobbies.
You're loving the single life.

That is, until you end up married
and all on a drunken impulse!

A sparkling ring on your finger, kisses to welcome you home.

It's a marriage of convenience,
so why does it feel like you're falling in love?

Neither your vows nor your wedding certificate
are proof of affection in this case.

Can marriage be a starting point for love?

Characters:
Kunihiro Kasai "Ambitious & Romantic"
Kuranosuke Kiba "Sly & Assertive"
Shu Hasunuma "Brusque & Shy"
Eiji Takao "Haughty & Mysterious"
Ukyo Senkawa "Sexy & Intrepid"

Contents:
Includes Main Stories from the app Love 365: Find Your Story up until "Season 2"