Only Boo! (2024) Parents Guide: Is the series OK for kids?

The series features a developing romantic relationship between two high school-aged boys, Moo and Kang, including hand-holding, hugs, and chaste kisses on the cheek or forehead. There are implied romantic feelings and longing glances, but no nudity or explicit sexual content. Some suggestive dialogue relates to crushes or flirting, but remains mild and age-appropriate.

Mild, infrequent violence includes comedic pushes or shoves between friends. In one instance, a character is playfully hit with a plastic bottle. There are no graphic injuries, blood, or serious threats of violence.

Limited use of mild expletives such as "damn" and "hell" occurs, primarily from supporting characters or in moments of frustration. There is no strong profanity or offensive language.

Frequent social drinking is depicted among adults, particularly Kang's friends, usually in casual settings like dinners or small gatherings. Characters consume beer or liquor, but intoxication is rarely a focus, and there are no instances of drug use or smoking.

The central themes revolve around first love and navigating a gay relationship, parental expectations, and the intense pressures and sacrifices required for a career in the entertainment industry. A significant theme in later episodes involves a character experiencing an anxiety attack due to career-related stress, depicted with sensitivity and concern from others.