Season 1

Atsuhiro "Akkun" Kagari is crazily in love with his girlfriend Non "Nontan" Katagiri. However, instead of showing his feelings, he hides them under a tsundere mask and prefers to store her photos and voice in his phone.

Akkun's best friend Masago Matsuo asks Nontan if she is really okay with a boyfriend who only spouts cruel words at her, but Nontan reveals that she knows Akkun doesn't mean what he says and believes he loves her. The n…

Akkun reveals to his younger sister Chiho Kagari on how he has perfectly calculated Nontan's eating habits, including her average number of chews per food item. While Chiho is absolutely disgusted with her older brother…

Akkun recalls how he first started dating Nontan in middle school, where they gave each other their nicknames. After which, Nontan's mother gave him his first photo of her, and from there he started a habit of taking se…

Nontan visits Akkun's house after school on a rainy day. They watch a scary movie together with Chiho and Masago, who is always there playing dating sims because his console at home is currently broken. When Akkun goes …

Akkun goes over to Nontan's place for dinner, meeting her parents Seichiro and Tsugumi for the first time. The couple has a striking resemblance to Akkun and Nontan's dynamics in their relationship. When Akkun's parents…

Homeroom teacher Takumi Kubomura is having a hard time dealing with Konagi Irie, a cheerful female student that is utterly smitten with him. Both are utterly clueless: Takumi with Konagi's feelings for him and Konagi wi…

Akkun advises Nontan to remember information by reading her notes out loud, where during this time he records her voice and uses her recitations to study himself. After the test, Nontan invites Akkun out on a date to th…

Chiho is annoyed at how Masago has pretty much made the Kagari family residence his home by constantly playing dating sims there. Both of them grow close as she starts showing her own tsundere side to him as well.