Free! Eternal Summer - Forbidden All Hard!

Alt title: Free! Eternal Summer - Kindan no All Hard!

If you're looking for manga similar to Free! Eternal Summer - Forbidden All Hard!, you might like these titles.

High Speed!

High Speed!

Nanase Haruka is a sixth-grade elementary school student who loves connecting with the water and feeling the water as he swims, and he attends a local swim club together with his childhood best friend Tachibana Makoto and Hazuki Nagisa, one year younger than the both of them. Then, one winter’s day as graduation draws near, Matsuoka Rin transfers into Haruka and the others’ school from another swim club. Through swimming, Haruka strengthens his bonds with Makoto and Nagisa, as well as with Rin–at which point Rin, with his passion for the medley relay, suggests they form a team together and enter a tournament.

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Yurayura, Yureru

Yurayura, Yureru

Third-year high school student Aya, who's secretly afraid of water, manages her high school's swim club. It's her last summer as manager and her final time managing the swim club for the Inter High Meet, but perceptive Takeru figures out her secret.

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Dansui!

Dansui!

Shuuhei, Harumi and Daiki start their second year of high school with an absolute goal: Getting at least two new members for their swimming club to keep its position as a club. This is the daily struggles and shenanigans of a high-school boys' swimming club!

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DIVE!! (Masahiro IKENO)

DIVE!! (Masahiro IKENO)

The Mizuki Diving Club (MDC) is on the verge of closing down after having financial troubles. The club's new coach persuades the club's parent company to stay open on one condition: that the club sends one of its members to next year's olympics as part of Japan's olympic team.

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DIVE!! (Ruzuru AKASHIBA)

DIVE!! (Ruzuru AKASHIBA)

Tomoki has long been passionate about the blink-of-an-eye performances that take place on the platform of the 10m dive. But as a member of the Mizuki Diving Club, he'll need more than passion when his team's lackluster record leaves them on the outs with their sponsors! Given an ultimatum to qualify for the Olympics in one short year and a new coach to train under, Tomoki and his teammates compete for glory with the fate of their diving club riding on their shoulders!

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High Speed! (Light Novel)

High Speed! (Light Novel)

The story is a prequel of the anime Free! and happens during the elementary school time of the boys Haruka, Rin, Makoto and Nagisa.

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Sweet Poolside

Sweet Poolside

A shy boy with a slender build and smooth skin meets a girl in the middle school swimming club. Due to an embarassing accident, the girl with a certain esthetics problem seeks his help. How will these students who struggle with similar yet converse problems fit together?

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Best Blue

Best Blue

Takumi Aono really wants to be a competitive swimmer! Like, really, really, really wants to be one. Although he swims everyday, rain or shine, he's still not there yet. But when he meets a very bitter lifeguard, something unexpected happens!

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Synchro Onchi!

Synchro Onchi!

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Ro-Kyu-Bu!

Ro-Kyu-Bu!

Hasegawa Subaru, who threw all of his youth into basketball, falls to the very bottom of despair when the basketball club is shutdown. Then one day, by chance, he finds himself teaching basketball to girls in 6th grade. What is Subaru to these girls full of some peculiarity or another..!? A refreshing sports comedy digital book with both laughter and tears!

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