Is Sex Detective Hatenashi Worth Watching?
Answer: Maybe not, Sex Detective Hatenashi is likely a skip if you enjoy Comedy movies.
It features a runtime of 83 minutes and offers a standard storyline that appeals to general audiences.

Verdict:Sex Detective Hatenashi is a confirmed FLOP based on our analysis of audience ratings and box office momentum.
With a rating of 2.3/10, it has delivered a mixed experience for fans of the Comedy, Mystery genre.
Answer: Maybe not, Sex Detective Hatenashi is likely a skip if you enjoy Comedy movies.
It features a runtime of 83 minutes and offers a standard storyline that appeals to general audiences.
Last updated: January 11, 2026
Released in 2018, Sex Detective Hatenashi enters the Comedy genre with a narrative focused on Tamao Hatenashi is a 26 year old actor. Under the direction of Shoichi Yokoyama, the film attempts to weave detailed character arcs with visual storytelling.
The film is anchored by performances from Kohei Nagano, Miki Sunohara, Saryu Usui. While the cast delivers competent performances, the script occasionally limits their range.
From a technical standpoint, Sex Detective Hatenashi offers a competent presentation. The cinematography uses a distinct visual palette that aligns well with the tone. The sharp editing keeps the narrative moving at a brisk pace, maximizing the impact of the key sequences.
Beyond the narrative, Sex Detective Hatenashi resonates with current cultural themes in the Comedy space. It stays within the established boundaries of its genre, providing exactly what core fans expect without reinventing the wheel.
As of January 2026, Sex Detective Hatenashi is available in theaters worldwide. For streaming audiences in the US, UK, and India, look for availability on major platforms roughly 45-60 days after the theatrical release. Don't miss the high-definition experience provided by premium large format (PLF) screenings.
The plot of Sex Detective Hatenashi centers on a unique premise within the Comedy landscape. Tamao Hatenashi is a 26 year old actor. Due to his unhinged imagination however, he gets an erection each time he acts, rendering him virtually unhireable. In spite of his problem, his luck takes a turn for the better when a fellow actor friend by the name of Maebari introduces him to Gonza, the CEO of a pink movie production company, and who immediately takes a shine to him. Buoyed by seeing his name printed on a movie script for the first time, Hatenashi immediately makes his way to the pink movie set. Upon arriving, he meets Yumika, the movie’s lead actress. Smitten by her kindness, he soon falls head over heels in love with her. As such, Hatenashi is horrified when he discovers that Yumika has been abducted from the set by a suspicious group of men, leaving only her panties behind. In order to track her down, Hatenashi immediately heads to Shimbashi, Tokyo in search of a legendary detective. The second act serves as a major turning point, leading to a climax that fans of 2018 cinema will find fairly predictable.
The ending of Sex Detective Hatenashi has sparked significant debate on social media. It signifies the ambiguous resolution of the main plot thread. Given the current box office momentum, discussions of a Sex Detective Hatenashi sequel or a wider cinematic universe are already gaining traction.
Final verdict for Sex Detective Hatenashi (2018): with an audience rating of 2.3/10, the reception has been negative. It is a recommended for fans of Comedy, Mystery cinema who appreciate attention to detail.
Analyzing the audience sentiment, IMDb rating of 2.3/10, and global collection metrics, Sex Detective Hatenashi stands as a challenging project for the creators. It remains an essential piece of the 2018 cinematic year.
Sex Detective Hatenashi is considered a flop based on audience ratings of 2.3/10 and lower collections.
Based on the low rating of 2.3/10, Sex Detective Hatenashi may not be worth watching unless you are a die-hard fan.
Sex Detective Hatenashi is a Comedy, Mystery movie that Tamao Hatenashi is a 26 year old actor. Due to his unhinged imagination however, he gets an erection each time he acts, rendering him virtually unhire...
Sex Detective Hatenashi is considered a flop based on audience ratings of 2.3/10 and lower collections.
Based on the low rating of 2.3/10, Sex Detective Hatenashi may not be worth watching unless you are a die-hard fan.
Sex Detective Hatenashi is a Comedy, Mystery movie that Tamao Hatenashi is a 26 year old actor. Due to his unhinged imagination however, he gets an erection each time he acts, rendering him virtually unhire...
Yes, Sex Detective Hatenashi is suitable for family viewing as it falls under the Comedy, Mystery genre.
You can find streaming options and availability for Sex Detective Hatenashi on popular platforms. Check movieMx for the latest updates and reviews.
Sex Detective Hatenashi features a talented cast. Check our "Top Cast" section to see the full list of actors and the characters they play in this film.
The runtime and duration of Sex Detective Hatenashi are available in the movie details section. It's a gripping story that keeps you engaged from start to finish.
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