Mieko works at her dream job as a wedding planner and is about to turn 30. Unfortunately, not all is rainbows and unicorns as she constantly feels pressure from her friends and mother to get hitched herself. When she gets teased at a company dinner for being single when two of the younger girls at the office just got married, she begins downing glass after glass.
Seeing her in her inebriated state, Shuji, her young yet reliable (and not to mention hot) coworker offers to take her home. Once they arrive, Mieko's loneliness reaches its threshold, and with her inhibitions already dulled, she does the unthinkable! Come morning though, when the guilt begins to settle in, Shuji proposes that they move in together once he graduates college! Should she feel joy? Should she worry about their age gap? What's a woman to do?!
Cram school teachers, Mr. Aguro and Mr. Shirai are always at odds, and this time, both have their eyes on their student. He rejects both as they know nothing of real love. If either of them wants him, he proposes the date each other temporarily until they discover what it means. Starting out as a simple wager over who gets to date their student, the two begin their complicated relationship. Can these two love virgins find what they're missing?
Yuasa is a capable worker on the fast track to success. He has a nice face to boot, but his personality is a bit of a problem..! As he carries on with his power-harassment toward the new trainee, the amicable Iguchi, it soon comes to light that Iguchi is the CEO's son... In exchange for not telling his dad about said power-harassment, Iguchi offers him a deal...?!
She's finally got her shot at a nice job at one of the biggest companies around... working as the CEO's girlfriend?! Asahi hasn't been able to find work but has been getting by on a delivery job while looking for a more permanent arrangement. When she gets into her next interview, she realizes that she's just walked into a less-than-favorable reunion. Taiga Kagura, managing director of the company, is heading the interview. Just a day ago Asahi accidentally ruined his suit while chasing down a taxi, and now he wants compensation... for her to be his girlfriend in an elaborate contract. 3 Months. Asahi doesn't like the sound of it, but what other opportunity will she have for her resume...?
"Your lips look... sweet. Do you mind if I have a taste?" Chika Ayano is an introvert and has had her eyes on the most popular guy in the office, Shoma Hazuki, for a while. One day, she's able to hear Hazuki talking with Kimura, her superior who has been bullying her... and it seems Hazuki has to ask her out now that he's lost a bet?! Ayano knows that Hazuki confessing his feelings to her is just because he lost a bet, but she's way too into him and agrees to date without any further thought. Now Hazuki's all over her and there's no stop to it! What will happen with this one month period they're set to date?!