17.3 about a sex_
"The world average age for the first sexual experience... 17.3". Is that early? Late? Seno Sakura has a serious personality. Hara Tsumugi has never liked a member of the opposite sex before. Minagawa Yuna is experienced and is currently dating a company employee. At the age of 17, the girl's "sexual values" begin to fluctuate.
Network
ABEMA
Episodes
9
Updated Feb 16, 2026
WHERE TO WATCH
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Overview
17.3 about a sex has 1 season with 9 episodes spanning 2020.
Rating
With a 7.6/10 rating from 13 votes, 17.3 about a sex is considered highly rated.
Year context
17.3 about a sex first aired 6 years ago in 2020.
CAST (9)
Riko Nagase
Seino Sakura
Ririka Tanabe
Hara Tsumugi
Shiori Akita
Minagawa Yuna
Taisuke Niihara
Hotta Ryusei
Yoshiki Fujieda
Aoki Kouta
Raizou Ishikawa
Nitta Takahiro
Sonim
Shiroyama Nao
Norika Fujiwara
Seino Aki
Rintaro Mizusawa
Asahi Yu
SEASONS (1 season, 9 episodes)
SEASON 1
SERIES INFO
1
Seasons
9
Episodes
Ended
Status
NETWORKS (1)
ABEMA
DETAILS
FREQUENTLY ASKED QUESTIONS
What is 17.3 about a sex about?
"The world average age for the first sexual experience... 17.3". Is that early? Late? Seno Sakura has a serious personality. Hara Tsumugi has never liked a member of the opposite sex before. Minagawa Yuna is experienced and is currently dating a company employee. At the age of 17, the girl's "sexual values" begin to fluctuate.
How many seasons does 17.3 about a sex have?
17.3 about a sex has 1 season with 9 episodes total.
Who stars in 17.3 about a sex?
The cast of 17.3 about a sex includes Riko Nagase, Ririka Tanabe, Shiori Akita, Taisuke Niihara, Yoshiki Fujieda.
What is the rating of 17.3 about a sex?
17.3 about a sex has a rating of 7.6 out of 10 based on 13 votes on TMDB.
Is 17.3 about a sex still running?
17.3 about a sex has ended. The final episode aired on .
GENRES (1)
Drama
