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...

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...

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...

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...

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...

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...

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...

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?!