Masamune interrupts Aki and Kanetsugu's date by saying he's the Masamune Aki had met 8 years ago and ends up asking her out. Surprisingly, Aki ends up saying yes and the two formally become a couple, but Masamune can't help but feel conflicted…

Masamune and Aki go on their second date on Christmas Eve, which happens to be Aki's birthday as well, but...

Aki tells Masamune about her past, but Masamune realizes that somehow, they remember a pivotal moment in their lives very differently.

Gasou tries to get closer to Aki, and Masamune confronts Yoshino about something.

Yoshino tells Masamune exactly what happened in their past and then convinces him to stop Gasou from getting too close to Aki.

Masamune helps Yoshino after she sprains her ankle, and Aki meets with Gasou.

Masamune has had a series of absences from school, so Yoshino decides to check in on him after school. Chinatsu reveals that he's left and is staying with their grandfather in Shinsu.

After ruining his Christmas Eve date with Aki, Masamune tries to get some answers as to why he keeps breaking out in hives around Aki.

Aki invites Masamune out on a White Day date but it ends up going in a very unexpected direction.

Masamune saves Aki as she was about to be hit by a car, when the mysterious beautiful girl who was riding in the car comes out and says that she was waiting to see Masamune and hugs him. A few days later, a girl named Fujinomiya Neko transfers into Masamune's class, and Aki's mood has been worse ever since...

Masamune and Aki's class goes to France for their school trip and there, they meet an aspiring manga artist named Muriel.

Valentine's day is on the horizon and Yoshino offers to help Aki with making something for Masamune. Afterward Aki and Masamune go out on a date.

In order to try to get Aki to promise to go on a date with him, Masamune teams up with Kojuurou and challenges Aki and Yoshino to see who can get a better score on a test. If he wins, he gets a date with Aki. If he loses, he'll have to live with the nickname Aki gave him until he graduates. How will this end up?

After finishing their exams, summer vacation finally begins. Masamune plans his next move to get closer to Aki, and heads to Tsunade Island along with the others to spend time at Aki’s summer villa. Yoshino tells Masamune that if he’s not able to make any progress with Aki there, she would tell Aki everything that’s been going on. Once they get to the island, they meet the secretary of the Adagaki family, Yuigasaki, and Masamune tells her that he’s dating Aki. This leads to the two having to pretend that they are a couple...

What is the ultimate fate that awaits Masamune, Aki, and Yoshino?

After being rejected by Masamune, Neko disappears, and they all go to search for her. Aki seems to feel sorry for Neko since she was rejected, and then Masamune asks her if she remembers the nickname “Pig’s Foot.” When they finally find Neko, she starts talking about the past...

Masamune recieves a letter with the words "Pig's Foot" written on it and realizes someone knows about his past. Masamune tries to find the person who sent the letter, and it ends up being someone rather surprising.

Neko tries desperately to try to win Masamune's affection. However, Masamune seems rather oblivious to this fact and when he gets home, he finds Yoshino and Neko there, making him food. Masamune panics because there are various things from his past that he doesn't want to be seen...

Masamune suddenly gets a call from Aki on his cellphone. Masamune then realizes that the picture of him and Aki when they were children that was in his room is gone, and he’s certain that Neko is the one who took it. Masamune sneaks into Neko’s room to try to find out the truth, but is found by Neko. And then, Neko does something rather surprising...

Masamune is planning his strategy to get revenge on Aki by reading the shojo manga, "Barasute," but Yoshino, aka Master, tells him he's doing it wrong. Rather than the aggressive approach he's been using, Masamune tries to get Aki to pay more attention to him by ignoring her, but...

Whoever gets more votes for their production of “Snow White” for the cultural fair, get to dance with Aki afterwards. The battle has begun between Masamune and Kanetsugu. Suddenly, something rather unexpected happens to the both of them...

Makabe Masamune was a chubby little kid but after years of training, he manages to lose weight and becomes a hot guy. This was all so he could get revenge on a girl who called him Pig's Foot as a child by making her fall in love with him and dumping her in return.

Another Masamune appears in front of Aki named Gasou Kanetsugu. Summer break ends and Masamune continues his approach on Aki but he learns that he is Aki’s betrothed. Masamune sees that Aki’s attitude toward Kanetsugu is completely different from how she treats him, so he panics and goes to Yoshino to figure out what to do, but...

Despite all the trouble, the cultural festival is now over. They all end up having an after party at karaoke and battle it out there. What will become of Masamune’s revenge?!