Tadanori Sera

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Tadanori Sera
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Gender: Male
Japanese Name: 世良 忠典(せら ただのり)
Chinese Name: 世良忠典
Korean name: 세라 타다노리
like count: 1
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🎙️ Anime Voice Actor

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Hiroyuki Yoshino
Hiroyuki Yoshino
Japanese(Anime、Voice Actor)

🎬 Appearing Anime

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Free!
Free!
Release date: June 26, 2013
Free! -Eternal Summer-
Free! -Eternal Summer-
Release date: July 3, 2014

Character Setting

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Tadanori Sera is a supporting character from the anime "Free! -Eternal Summer-." He is in his third year at Iwatobi High School, just like Haruka Nanase and Makoto Tachibana. Sera serves as the captain of the track and field club. He has a close connection with Rei Ryugazaki, whom he admired for his talent as a track athlete. Even after Rei decided to leave the track team, Sera continued to support him, celebrating Rei’s achievements and cheering him on at big events. With his gentle nature and thoughtful design, he stands out as a kind and intelligent upperclassman who genuinely cares for his friends and teammates.

Tadanori Sera has short, dark green hair with a blue tint.

His eyes are the color of willow leaves.

He wears slim silver-rimmed under-rim glasses.

Tadanori Sera is designed to be a smart and gentle character.

He always acts as a reliable and kind senior, making others feel comfortable talking to him.

Rei Ryugazaki trusts Sera, showing that Sera is dependable and encouraging.

Tadanori Sera is a third-year student at Iwatobi High School.

He is the captain of the school’s track and field team.

He once worked closely with Rei Ryugazaki when Rei belonged to the track and field club.

Sera values Rei Ryugazaki’s abilities and often encourages him.

Even after Rei left the track team, Sera stayed supportive by talking to him and celebrating his accomplishments.

Haruka Nanase also recognizes Sera, mentioning him when seeing him near Gou Matsuoka and Rei.

Inviting Rei Back to Track

In episode 3 of "Free! -Eternal Summer-," Tadanori Sera approaches Rei Ryugazaki, who seems troubled.

He encourages Rei to consider coming back to the track and field club, showing that he believes strongly in Rei’s talent as an athlete.

Supporting After Rei’s Refusal

Even though Rei says no to rejoining the team, Sera does not give up.

He visits Rei’s class in episode 11 to congratulate him after Rei qualifies to compete in the national swimming tournament.

Cheering During the Finals

In episode 13, even though Sera does not have any speaking lines, he is seen in the stands, cheering for Rei during the major competition.

This shows he continues to support his friend from the sidelines.

Tadanori Sera’s full name is not mentioned during the main story.

However, it is shown in the ending credits and subtitles.

He only appears in episodes 3, 11, and 13 of "Free! -Eternal Summer-."

His character design is meant to look smart and caring.

This is noted in the bonus booklet for the DVD Volume 2 of the series.

Sera is a good example of a supportive and trustworthy senior who looks out for his friends and teammates, both in sports and in everyday school life.

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(Last edited time: May 19, 2026, 1:39 p.m.)

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