Unable to forget her first love, Yuki prioritizes work over romance, and now finds herself in her late 20s. Anxious with everyone around her getting married, Yuki starts to feel that she wants to fall in love as well. On her way home from work, she runs into Sho, a younger student from her college days, who asks if he can stay over for the night. Though she thinks about refusing him, she couldn't leave Sho out in the rain soaking wet like an abandoned dog... and decides to have him over. Though motherly instinct convinced Yuki to have Sho over, he gets carried away and ends up having physical relations with her.... Shortly after, Yuki's first childhood sweetheart would ask her out, shaking up the the feelings that just began to grow between her and Sho...?!

His hands are groping and stimulating me as he whispers in my ear, you're so naughty! But he's my student and I'm his teacher...?! Though I've become the educator I've always wanted to be, my days are filled with worry. Ever since I saw that one student look at me with longing eyes in the library, I couldn't take my eyes off him... and now I have sex with him in my dreams?! But I'm a teacher, I can't have these feelings! But then, when the two of us end up alone in the classroom, he comes on to me and kisses me forcefully, sweetly and deeply...?! The sweet and numbing pleasure of the naughty movement of his fingertips overhwlems me.... A forbidden relationship that should never have been! Is it unbecoming of a teacher to fall in love with a student?

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?!

Uru and Ibuki have been childhood friends for years. He was practically her big brother. Uru has always admired him, but now that she's in college, she wants something more. Ibuki, now an extremely handsome and popular model Eve, has every girl after him. He still sees Uru as a little sister and refuses to see her as a woman. Using her womanly assets, Uru will go to any lengths to seduce him. Can Uru finally make him hers, or will Ibuki need to teach her a thing or two about being in an adult relationship?

"I'll make you into a beautiful butterfly. I won't let you get away from me." Everywhere he touched felt so good so she couldn't resist him...! Yuri (age 20) is a university student who lives with her grandmother. Upon reuniting with friends at their Coming of Age Ceremony, Yuri is overwhelmed by how gorgeous they look and makes the decision that she herself must change. It is later that day when she is sitting strumming an old shamisen in her grandmother's room that a kimono wearing man bursts through one of the sliding paper doors to say "You suck!" The man tells her his name is Asuka and says to her "Oh, I know every woman in Edo. However... Yuri, you are something special." He then begins kissing her passionately. Yuri finds herself unable to resist Asuka's charm and can do nothing but allow herself to be manipulated by his persistant tongue... "That enraptured face of yours, it really turns me on." His fiery hot fingertips lasciviously begin to rub her nipples and... Just who is Asuka really!? And what will become of this love which crosses time...

"Do you feel good with just palpation?" He's teasing my wet pussy in the hospital bed... What should I do!? The nurse is right over there, but I feel so good, I'm going to moan!! Rina, a judo instructor, ends up in the hospital after an incident. The person who shows up as her attending physician is her childhood friend, Mikagejima. "You've become a little more feminine, haven't you?" Taking advantage of Rina's inability to move, her childhood friend, who has turned into a handsome guy, teases her nipples with an excuse of examining her. Could this be his payback from when we were a child!?

"How did we get to this point...?" The orchestra that Aguri plays trumpet for is really hurting for funds, but when they finally find a matchmaking company to sponsor them, that company's CEO turns out to be a sadistic jerk! The first words out of his mouth are about how much he hates music. Just who does he think he is?! Despite that totally awful first impression, Aguri finds herself pulling him into her arms when they get stuck in an elevator together later that day. To make matters worse, he walks her home after a work party one night, and before she knows it, they're kissing...?!