3.445 out of 5 from 23 votes
Five years ago Otome and Minami became stepsister and brother when Otome’s dad and Minami’s mom were married. Ever since that day they have been inseparable siblings and have spent every moment together. Now the pair is in middle school; Minami is popular with all the girls in his cooking club, while Otome is dating Amane, the captain of her kendo team. Everyone around them says that the siblings should be a couple, though the both of them have always brushed it off as a ridiculous and gross idea. However, when her brother becomes jealous of her boyfriend, Otome is confused and begins to wonder if maybe they have feelings for each other after all…
Kayano is in her second year of high school and finally finds the courage to confess to her crush by giving him a love letter. However she panics at the last minute and ends up giving the letter to Takeru, a handsome first year troublemaker who refuses to return it to her, making Kayano's life a misery! To make matters worse her mother announces that she is getting remarried - to Kayano's school principal, no less. Kayano then discovers that her new stepfather-to-be's son is none other than... Takeru! How will Kayano cope with having this devil as her new brother, and will her love life ever improve?
Kotoko Aihara has always been in love with Naoki Irie; he’s tall, handsome, and rumored to be the most intelligent student in Japan – who wouldn’t be? Only one thing stands in the way of a relationship with Irie: Kotoko is ditzy and is at the bottom set of her school, and Irie-kun hates nothing more than ditzy, stupid girls. When disaster strikes and Kotoko is forced to move in with Irie-kun’s family, she suddenly sees her chance to bridge the gap. After all, even cool, super-intelligent guys must have a soft spot, right?
Miki Koishikawa thought she had a typical life with typical parents, until one day her mother and father announced they are getting a divorce - but not just any divorce. They're splitting up in order to switch spouses with another couple they'd met in Hawaii! To assist with the transition Miki and her parents must now live with the other couple and their son Yuu. Miki and Yuu's relationship gets off to a rough start, but they learn to open up to each other and become friends over time. However, their situation becomes more complicated when the two begin to develop feelings for one another as well as deal with other people in their lives, including Miki's former crush, Ginta Suou; and Yuu's former girlfriend, Arimi Suzuki...