"Girls Saurus DX" is a comedic manga series that explores the dynamics of romantic relationships through a satirical lens, focusing on the exaggerated and often absurd behaviors of its characters. The story revolves around a group of high school students navigating the complexities of love, jealousy, and misunderstandings. The central character, Keisuke, finds himself entangled in a love triangle with two contrasting girls: the sweet and innocent Yuka and the bold, aggressive Riko. Their interactions are marked by exaggerated comedic situations, often highlighting the stark differences in their personalities and approaches to romance.

Yuka represents the archetype of the shy, traditional love interest, while Riko embodies a more assertive and unpredictable nature. Their rivalry for Keisuke's affection drives much of the humor and conflict in the series. Keisuke, often caught in the middle, struggles to balance his feelings and the chaotic situations that arise from the girls' competing affections. The narrative frequently employs slapstick comedy, over-the-top reactions, and misunderstandings to emphasize the absurdity of teenage romance.

Supporting characters add further layers to the story, including Keisuke's friends who provide commentary on his predicaments and occasionally become involved in the romantic entanglements themselves. The series also introduces other female characters who contribute to the comedic chaos, each with their own exaggerated quirks and romantic pursuits. The humor often stems from the characters' inability to communicate effectively, leading to escalating misunderstandings and comedic confrontations.

The plot progresses through episodic chapters, each focusing on a new comedic scenario or romantic dilemma. While the overarching narrative revolves around Keisuke's relationships, the series does not follow a strict linear progression, instead prioritizing humor and character interactions. The exaggerated personalities of the characters and their over-the-top reactions to romantic situations are central to the series' comedic tone. "Girls Saurus DX" uses its characters and their interactions to parody common tropes in romantic comedies, offering a lighthearted and often absurd take on the genre.