Character
Sai Nanami
七海
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Anime Roles
1
Manga Roles
1
Voice Actors
1
Biography
He's Ryusui's older brother, a computer fascinated, mathematical prodigy.
Appearances & Voice Actors
Dr. Stone: Science Future Part 3
Supporting
七海
He's Ryusui's older brother, a computer fascinated, mathematical prodigy.
Supporting