

Naughty Instinct
2007, Japanese. Directed by Wataru Oku.
Episode 1: Atsushi and his sister Naomi live under the same roof. Despite her strong love to her brother, Naomi buries her real emotion deep in her heart, and she can only express her feeling in the virtual computer domain. Meanwhile, Naomi’s college friend pursues her strongly, but she still cannot forget her brother. To heal her broken heart, Naomi decides to run away to America… Episode 2: Kumiko is currently living with her brother Tatsuya who is back from overseas. Kumiko has always hidden her feeling from her brother, but she can hold it back against her passion no more when the two grown-ups live together once again. One day, Tatsuya discovers his sister’s secret accidentally from her blog and therefore decides to disclose his secrets to Kumiko too. Since then the situation is only getting uncontrollable…
- Runtime
- 1h 14m
- Post-credits
- None listed
- Language
- Japanese
- Rated
- Check local
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Where to watch Naughty Instinct
Naughty Instinct isn’t streaming on any OTT platform in India yet; it released on 4 July 2007.
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Details
- Released
- 4 July 2007
- Original title
- 妹の本能
- Country
- Japan
- Written by
- Tadashi Shimizu
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Naughty Instinct: quick answers
Is Naughty Instinct worth watching?
Naughty Instinct doesn’t have enough ratings for a verdict yet.
How long is Naughty Instinct?
Naughty Instinct runs 74 minutes (1h 14m).
Does Naughty Instinct have a post-credits scene?
None is listed for Naughty Instinct. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Naughty Instinct parents guide: is it suitable for kids?
No age rating is listed for Naughty Instinct yet.
Which OTT platform is Naughty Instinct on?
Naughty Instinct isn’t streaming on any OTT platform in India yet; it released on 4 July 2007. (Checked 9 November 2026.)
What movies are like Naughty Instinct?
If you liked Naughty Instinct, try The Ballad of Narayama, Here, Mindwalk.
Who directed Naughty Instinct?
Naughty Instinct (2007) was directed by Wataru Oku and stars Akiho Yoshizawa, Yuna Momose.