->'''Voiced by:''' MiyuIrino (Japanese), Creator/JoshGrelle (English)
The main male protagonist. Since he tasted Urabe's drool, the two have entered into a strange love relationship.
* DoggedNiceGuy : Sort of
->'''Voiced by:''' Ayano Yoshitani (Japanese), Genevieve Simmons (English)
The main female protagonist. A ''really'' weird girl who enjoys cutting things up with her "panty scissors".
* HeterosexualLifePartners: With Oka.
* MsFanservice: Together with Oka are the biggest suppliers of fanservice.
* PolarOppositeTwins: Unrelated example with Momoka.
->'''Voiced by:''' Creator/RyoHirohashi (Japanese), Creator/BrittneyKarbowski (English)
Urabe's first friend.
* BetaCouple: With Ueno.
* CloudCuckooLander : Shes as much of a mystery as Urabe
* AFriendInNeed : Hangs around Urabe even when she wasn't "officially" her friend
* HeterosexualLifePartners: With Urabe.
* MsFanservice: Together with Urabe are the biggest suppliers of fanservice.
->'''Voiced by:''' YuukiKaji (Japanese), Creator/GregAyres (English)
Tsubaki's friend and Oka's boyfriend.
* BetaCouple: With Oka.
->'''Voiced by:''' Creator/MisatoFukuen (Japanese), Carli Mosier (English)
Tsubaki's elder sister.
* PromotionToParent: She considers it her duty to raise her brother properly in place of their deceased mother.
->'''Voiced by:''' YuShimamura (Japanese), CynthiaMartinez (English)
Tsubaki's former classmate and first crush in middle school.
* [[spoiler: ManipulativeBitch: After her own failings in love, she tries to steal Tsubaki for herself.]]
* [[spoiler: PsychoExGirlfriend: Psycho Ex-Crush.]]
Popular idol who is nearly identical to Urabe.
* ACupAngst: The biggest physical difference between her and Urabe.
* IdenticalStranger: With Urabe to the point that you can consider them as "twins".
* MistakenIdentity: As Urabe by Tsubaki.
* PolarOppositeTwins: Unrelated example with Urabe.
* TwinSwitch: With Urabe during her concert and later in the promotion of Urabe's school movie.
->'''Voiced by:''' AyumiFujimura (Japanese)
Tsubaki and Urabe's beautiful classmate.
* HopelessSuitor: She develops feelings for Tsubaki.
* LoveConfession: She confesses to Tsubaki that she would not mind to be "second one" for him if he wants.
* SecretRelationship: She offers this to Tsubaki as an option in front of Urabe.