The story follows a happy and cheerful girl named Fuuko. One day two cousins Daiya and Ichi move into the apartment upstairs and a love triangle begins.
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...
Yoshioka Futaba'nın, yeni bir lise öğrencisi olarak imajını ve hayatını baştan yaratmak istemesinin birkaç sebebi vardır. Sevimli görünümünden dolayı, ortaokulda kız arkadaşları tarafından dışlanmıştır ve bir yanlış anlaşılma yüzünden, hayatı boyunca hoşlandığı tek erkek olan Tanaka-kun'a aşkını ilan edememiştir.
Şimdi lisede, arkadaşları onu yine kıskanmasın diye, mümkün olduğunca erkeksi görünmeye kararlıdır. Hayatını böyle mutlu mesut bir halde sürdürürken, tekrar Tanaka-kun'la karşılaşır, ama şimdiki adı Mabuchi Kou'dur. Ona, çocukken kendisinin de aynı duyguları beslediğini, ama artık hiçbir şeyin aynı olamayacağını söyler. Futaba, üç yıl önce başlamaya fırsat bile bulamamış aşkını sürdürebilecek midir?
In His and Her Circumstances, like a drug, Yukino Miyazawa was addicted to admiration and praise from those around her. She worked hard to become the perfect student, the perfect girl. But that was before… him. Souichirou Arima. The instant she met him, she hated him. Without even trying, he snatched the very glory from her hands by easily acing the high school entrance exam that should have made her the class representative. To take back what is rightfully hers, Yukino is putting all her efforts into plotting her revenge – but was love part of the plan?
At the end of the second semester of third year of high school, four students are prepared for graduation and feel the ending to their high school life. But that changes a little with the arrival of a transfer student.
High school student Chiyo Sakura has a crush on schoolmate Umetarō Nozaki, but when she confesses her love to him, he mistakes her for a fan and gives her an autograph. When she says that she always wants to be with him, he invites her to his house and has her help on some drawings. Chiyo discovers that Nozaki is actually a renowned shōjo manga artist named Sakiko Yumeno. She then agrees to be his assistant in order to get closer to him. As they work on his manga Let's Fall in Love (恋しよっ), they encounter other schoolmates who assist them or serve as inspirations for characters in the stories.