"Ohma ni Doki Doki!" is a romantic comedy manga that centers on the life of a young man named Kouta, who finds himself in an unusual and chaotic situation after his childhood friend, Aoi, moves back into his life. Aoi, a cheerful and energetic girl, has harbored feelings for Kouta since their early years, but her attempts to express her affection often lead to comedic misunderstandings and awkward scenarios. Kouta, on the other hand, is more reserved and struggles to navigate Aoi's bold advances, creating a dynamic filled with humor and tension.

The story explores the complexities of their relationship as they rekindle their friendship and gradually confront their feelings for one another. Aoi's persistent efforts to win Kouta's heart are met with his reluctance, partly due to his own insecurities and partly because of the interference of other characters, including a rival love interest who complicates matters further. The narrative balances lighthearted moments with more serious undertones, delving into themes of unrequited love, personal growth, and the challenges of communication in relationships.

As the series progresses, Kouta begins to reflect on his own emotions and the possibility of reciprocating Aoi's feelings. The manga employs a mix of slapstick comedy, heartfelt confessions, and situational humor to depict the evolving bond between the two protagonists. Supporting characters, such as Kouta's friends and family, add depth to the story by providing additional perspectives and contributing to the comedic and dramatic elements.

The pacing of the narrative allows for gradual character development, with both Kouta and Aoi learning to understand themselves and each other better over time. The series concludes with a resolution that ties together the central romantic arc while leaving room for the characters' continued growth. Through its blend of humor and romance, "Ohma ni Doki Doki!" offers an engaging exploration of young love and the trials that come with it.