17.3 about a sex backdrop

17.3 about a sex S1E2 — Is having sex really necessary in the first place?

7.8

17.3 about a sex•Season 1•Episode 2

Is having sex really necessary in the first place?

7.8/10 · 10 votesSep 17, 202025 min

Ranked #1 of 9 in Season 1•+0.3 vs season avg

Tsumugi gets invited to the movies by a male childhood friend she hasn’t seen since junior high. At the end of the night, she comes to a realization.

Previous episodeE1 · Graduation from Virginity at Age 17.3. What do we do now?Next episodeE3 · Is it bad for girls to have a lot of experience?

Seasons1

Season 1 Episodes9

Graduation from Virginity at Age 17.3. What do we do now? still

Graduation from Virginity at Age 17.3. What do we do now?

Is having sex really necessary in the first place? still

E2 7.8Now viewing

Is having sex really necessary in the first place?

Is it bad for girls to have a lot of experience? still

Is it bad for girls to have a lot of experience?

Frankly speaking, do girls masturbate? still

Frankly speaking, do girls masturbate?

Does gender matter when falling in love? still

Does gender matter when falling in love?

Is breast size really that important? still

Is breast size really that important?

Boys, have you ever had a haemorrhage for a week? still

Boys, have you ever had a haemorrhage for a week?

Dropping out of school due to pregnancy. Why only girls? still

Dropping out of school due to pregnancy. Why only girls?

17.3 years old. We're not at an age to say, "we don't know anything. still

17.3 years old. We're not at an age to say, "we don't know anything.

Cast9

Riko Nagase

Riko Nagase

Sakura Seino

Ririka Tanabe

Ririka Tanabe

Tsumugi Hara

Shiori Akita

Shiori Akita

Yuna Minagawa

Taisuke Niihara

Taisuke Niihara

Ryusei Hotta

Yoshiki Fujieda

Yoshiki Fujieda

Kouta Aoki

Raizou Ishikawa

Raizou Ishikawa

Takahiro Nitta

Sonim

Sonim

Nao Shiroyama

Norika Fujiwara

Norika Fujiwara

Aki Seino

Rintaro Mizusawa

Rintaro Mizusawa

Yu Asahi

Crew2

Y

Yuri Yamada

Screenplay

K

Ko Kanai

Production Director

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Episode Summary

"Is having sex really necessary in the first place?" is episode 2 of 17.3 about a sex season 1. It scored 7.8/10 from 10 votes, ranking #1 of 9 episodes this season (season average 7.5). It aired on September 17, 2020.

Next: E3 · Is it bad for girls to have a lot of experience?Best of Season 1