Jun finishes creating her robot sidekick Kichinosuke. But when he and Zero get off on the wrong foot, Jun has her work cut out her in defusing the situation.
When she discovers that Zero doesn't even remember her name, Jun decides she needs to make a big impression. However, it turns out there's another girl vying for Zero's affections, and to make matters worse, Kichinosuke's bad blood with Zero threatens to erupt at any minute. Can Jun prevail and finally gain a foothold into Zero's heart?
Jun becomes fed up with Kichinosuke's insensitivity, so she decides to build him a Love Love Circuit so he can finally understand human emotions. The plan goes haywire, however, when Kichinosuke starts declaring his love to every girl he comes across.
Zero's been injured, and what's worse, Jun isn't allowed to visit him while he's recovering at home in bed. Jun comes up with a plan, but she'll need her parents on board first.
Jun is thrown for a loop when she finds out that Zero has asked to be put in a different class than her for the upcoming semester.
Jun is overjoyed when she finds out she's going to be kidnapped by a group of hoodlums looking to get to Zero.
It's time for Ohata Sensei's home visits once again, and Jun wants nothing more than for Kichinosuke to hide himself away until the storm blows over. Kichinosuke, on the other hand, wants nothing more than to prove that he can contribute to the school.
Jun decides to give up inventions for good when she finds an old homework assignment by Zero that declares he despises girls who invent things. Before she does so, however, her parents insist that she go out with one last big invention.
Spurred on by Toko's triplet brothers, Kichinosuke and Yukinojo beg for carp streamers to hang up on Children's Day. Since her family doesn't own any, Jun borrows some from Zero's grandmother, but she's thrown for a loop when she finds a picture of a girl inside.
Jun invents a Dream Pillow, which allows anyone using it to see the dream that's programmed inside. Kichinosuke, not quite understanding what a dream is, decides to invent his own Dream Pillow as well, with disastrous results.
Jun is thrilled when she finds out she'll be in the same group as Zero for the upcoming field trip, but becomes downtrodden when she finds out Zero refuses to go. Complicating matters is the knowledge that Hanyu and his gang want to challenge Zero to a showdown during the field trip, which is a challenge that Zero won't refuse, and one he's not likely to win.
Jun installs a Fortune-Telling Circuit inside Yukinojo, but is shocked when she predicts that Jun's father won't be able to cook any dishes that weekend. True to Yukinojo's prediction, the fates conspire to prevent Jun's father from doing his job, so he turns to an unlikely source for help -- Zero.
Jun wants nothing more than to share an umbrella with Zero while walking through the rain, but Zero seemingly winds up injured after Kichinosuke tries to help make her dreams a reality.
Jun is flabbergasted when a love letter arrives in the mail for Kichinosuke, and she sets out to solve the mystery behind who in their right mind would ever send such a thing.
It's Father's Day soon, and Jun devises a plan to use her gift for her father to bring Zero and his father closer together.
Kichinosuke and Yukinojo decide to build themselves their own place, but when they push things too far, Jun's father orders her to scrap them.
When Kichinosuke is teased for not being able to tell time, Jun installs a Time-Telling Circuit that comes with an incredibly unexpected side effect.
