Shion and Rui are the dream team when it comes to hitting on women. Tonight was going to be another night of hooking up with girls for Shion, but he ended up taking a strange drug. When he woke up... he'd turned into a girl?! Rui came looking for Shion, but didn't recognize him, and started hitting on him...

First-year Toono transfers from Tokyo to the all-boys boarding school deep in the mountains, "Mori Moori Private School." The friendly Yaguchi who calls out to him becomes his only friend, but his dislike of sports makes him join the most laid-back looking photography club instead of Yaguchi's soccer club. However, the photography club is in name only and is actually nicknamed the "Yarichin Bitch Club," filled with colorful seniors. In contrast to the troubled Toono, Kajima, who joined the club at the same time, is completely unphased and even slips a confession to Toono into the confusion. Toono himself thinks Yaguchi is cute, but Yaguchi finds himself blushing around Kajima and stuff happens. Furthermore, complications arise between the seniors…

After a shy office worker unexpectedly gains the ability to read minds, he discovers that his handsome colleague can't stop thinking about him!

Koichi, a student about to graduate, is summoned to a world of Titans. It's the land of Tildant, where the prince, Caius, appears in front of Koichi and says, "I want you to be my bride and give birth to my baby!"

Nakamura falls for his classmate Hirose instantly, but they've never spoken. Can his bumbling attempts to say hello lead to a real connection?

Izumi was born in a family of celebrities. His father is a singer, his mother an artist, his older brother the lead vocalist for the popular band Crashers. Izumi himself, however, is just a nerdy college student. He loves the manga "Magical Girl Lala Lulu" and dreams of becoming a manga writer himself. One day he is roped into filming a commercial where he wears a dress. Another actor on the set, Ryoma Ichijo, mistakes him for a woman and falls in love at first sight. As it turns out, though, they met ten years in the past. And Ryoma feelings don't change when he finds out Izumi is a boy.

While spending summer with his mother, Haru meets Ren, a boy newly adopted by his mother. Getting along with Ren isn't easy as Haru's goal is to "civilize" him by the time summer ends. Their relationship slowly improves as Haru spends more time with Ren and in return Ren steadily warms up to him. Can they really become a "family" at the end of summer?!

Despite their distinctive personalities, Souma Shiki, Hayate Ichikura, Shun Futami, and Takayuki Mima all have one thing in common: though naturally clumsy, the four disguise their embarrassment from tiny slip-ups by maintaining a composed demeanor. However, it is actually the guys' airheaded natures that makes the girls' hearts throb. No matter what happens in their daily lives, the boys do their best not to lose their cool!

Sekaiichi Hatsukoi follows three couples that are interconnected within the manga industry, with each being subject to the budding of first love.

"I'll make it so your body's unable to forget mine." Saijou Takato's 5 year reign as the 'Most Huggable No. 1' has been snatched. Stealing his thunder is the newbie actor with a 3-year debut, Azumaya! Towards the stuffy hostile Takato, Azumaya's sincere sparkling smile starts to become effective. Even as Takato sets his alert level on MAX, Azumaya catches Takato in his shameful drunken state and uses it to blackmail him! In exchange for Azumaya's silence, Azumaya states, "Please let me hold you…?! Embrace me, who was the Most Huggable No.1?" What the heck is he saying! Includes a large quantity of other high suspense erotic stories.

Office worker Ryou Fujihashi is trapped inside her apartment which has set ablaze. The firefighters arrive in time to save her, and one of them happens to be Souma Mizuno, Fujihashi's childhood friend who she had a crush on. As the apartment fire gets put out, an old love gets rekindled.

When the intimidating Rintaro meets the open-minded Kaoruko, the unlikely duo grows closer. The issue? Their neighboring high schools hate each other.

Azuma Kazuma isn't terribly clever, but he's got a good heart and great skill - at baking. Since childhood, he's been on a quest to create the perfect bread to represent Japan internationally. Now, he seeks to enter the famous bakery Pantasia, in hopes of reaching his goal. But plots abound...

Haruka Takayama and Yū Sonoda were inseparable during middle school, but upon entering high school, they end up being seated on opposite sides of the classroom. Having to spend time with more friends, the two decide to make their relationship special by kissing each other in secret.

Kinoshita Kazuya is a 20-year-old failure of a college student. He managed to kiss his girlfriend once, but was dumped after a month. Completely spiteful, Kazuya uses a certain method to date a girl. He goes to their meeting place and a beautiful girl brushing her long, black hair behind her ear was there, smiling at him. Her name was Mizuhara Chizuru. Something real is born after just a single rental! A reckless rom-com filled with love and excitement is about to begin!

Three couples, three intense romances: a student’s tutor crosses the line, a loner meets a force of nature, and a carefree man faces love he can’t ignore.

Mizuki disguises herself as a boy and transfers to the same all-boys' high school her idol, Izumi Sano, a high-jump athlete who gave up on the sport, attends. In between their classmates' antics she tries to get him to jump again.

Twins Kazuya and Tatsuya, and their neighbor Minami have played together since they were children and built an unbreakable bond. But with puberty, the twins realized something: Minami is a girl, and three is a crowd. As the trio tries to preserve their relationship, Kazuya's pledge to make Minami's dream come true by taking her to Koshien with his baseball pitching skills makes the slackerish Tatsuya wonder about himself, and his own goals. But Minami has another dream she wants fulfilled, and as the twins continue to push themselves, with Minami in the middle, a life-changing tragedy leads one twin down a path he once never would've considered...

Kaoru is a college boy with everything going for him. He lives in a mansion with his beautiful fiancé, Aoi, all his roommates are babes, and they all have the hots for him. There’s just one hitch: due to family complications, Kaoru and his beloved have to keep their engagement a secret. As he gets tangled in countless steamy situations, can Kaoru overcome temptation and stay true to the lovely Aoi?

When Shinozaki started his new job, he didn’t expect his superior to be so…cute!? He struggled to learn the ropes until Katase, his tiny and kind senpai, took him under her wing. But as they grow closer, he hopes her attention might mean something more.