You Can't Be in a Rom-Com with Your Childhood Friends! S1E4 — Since I'm the Big Brother to the Little-Sister Type, Growing up Still Won't Start a Rom-Com
7.9
You Can't Be in a Rom-Com with Your Childhood Friends!•Season 1•Episode 4

Since I'm the Big Brother to the Little-Sister Type, Growing up Still Won't Start a Rom-Com

7.9/10 · 87 votesJan 27, 202624 min

Ranked #5 of 12 in Season 1•+0.1 vs season avg

Discussion

Runako moves back into the neighborhood for school and will live with Eiyu temporarily.

Previous episodeE3 · Admiring Them? Feeling Lonely? School at Night? Fantasizing? Old Promises? Still Won't Start a Rom-ComNext episodeE5 · Extra Extra Hot? Finals Done? Bath Scene? Things Will Never Change? Still Won't Start a Rom-Com
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Seasons1

All1

Season 1 Episodes12

Road to School? Indirect Kiss? Butt on Lap? Still Won't Start a Rom-Com stillE1 7.3

Road to School? Indirect Kiss? Butt on Lap? Still Won't Start a Rom-Com

Full Bus? Drenched in Rain? Feelings Exposed? Admiring Them? Still Won't Start a Rom-Com stillE2 7.9

Full Bus? Drenched in Rain? Feelings Exposed? Admiring Them? Still Won't Start a Rom-Com

Admiring Them? Feeling Lonely? School at Night? Fantasizing? Old Promises? Still Won't Start a Rom-Com stillE3 8.1

Admiring Them? Feeling Lonely? School at Night? Fantasizing? Old Promises? Still Won't Start a Rom-Com

Since I'm the Big Brother to the Little-Sister Type, Growing up Still Won't Start a Rom-Com stillE4 7.9Now viewing

Since I'm the Big Brother to the Little-Sister Type, Growing up Still Won't Start a Rom-Com

Extra Extra Hot? Finals Done? Bath Scene? Things Will Never Change? Still Won't Start a Rom-Com stillE5 8.1

Extra Extra Hot? Finals Done? Bath Scene? Things Will Never Change? Still Won't Start a Rom-Com

Summer Beach? Looking Away? Spent the Night? Still Won't Start a Rom-Com stillE6 8.3

Summer Beach? Looking Away? Spent the Night? Still Won't Start a Rom-Com

Relationship Talk? Sharing Half? Festival Vibes? Still Won't Start a Rom-Com stillE7 7.8

Relationship Talk? Sharing Half? Festival Vibes? Still Won't Start a Rom-Com

Kept Running and Missed the Fireworks? Since It Matters Too Much, It Still Won't Start a Rom-Com stillE8 7.7

Kept Running and Missed the Fireworks? Since It Matters Too Much, It Still Won't Start a Rom-Com

An Unfamiliar Girl Who's Your "Guy Friend"? But if You Laugh, It Still Won't Start a Rom-Com stillE9 7.7

An Unfamiliar Girl Who's Your "Guy Friend"? But if You Laugh, It Still Won't Start a Rom-Com

Feeling the Afterglow Kiss After Kiss? Become a Sports Day Committee Member? Still Won`t Start a Rom-Com stillE10 7.8

Feeling the Afterglow Kiss After Kiss? Become a Sports Day Committee Member? Still Won`t Start a Rom-Com

Scared? Lost Something? Let off Steam on Sports Day? Still Won't Start a Rom-Com stillE11 7.0

Scared? Lost Something? Let off Steam on Sports Day? Still Won't Start a Rom-Com

Did the Three-Legged Race and Feel a Little Naughty? Then Doing the Scavenger Hunt Still Won't Start a Rom-Com stillE12 7.6

Did the Three-Legged Race and Feel a Little Naughty? Then Doing the Scavenger Hunt Still Won't Start a Rom-Com

Cast5

Rin Kusumi

Rin Kusumi

Shio Minamo (voice)

Yu Serizawa

Yu Serizawa

Akari Hiodoshi (voice)

Sae Hiratsuka

Sae Hiratsuka

Runa Tsukimi (voice)

Takehiro Urao

Takehiro Urao

Yonosuke Sakai (voice)

Yuuki Yamamoto

Yuuki Yamamoto

Haru Hinata (voice)

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Episode Summary

"Since I'm the Big Brother to the Little-Sister Type, Growing up Still Won't Start a Rom-Com" is episode 4 of You Can't Be in a Rom-Com with Your Childhood Friends! season 1. It scored 7.9/10 from 87 votes, ranking #5 of 12 episodes this season (season average 7.8). It aired on January 27, 2026.

Next: E5 · Extra Extra Hot? Finals Done? Bath Scene? Things Will Never Change? Still Won't Start a Rom-ComBest of Season 1