Souma Saitou

Blood type: B
Birth place: Yamanashi Prefecture, Japan

Soma Saito (斉藤壮馬) is a Japanese singer-songwriter and voice actor affiliated with 81 Production. He debuted as a singer on June 7, 2017 with the single album, フィッシュストーリー (Fish Story) under Sacra Music, a sub-label of Sony Music Entertainment Japan.

In 2015, he won the Best Rookie Actors Award at the 9th Seiyuu Awards. In 2022, he won the Singing Award at the 16th Seiyuu Awards for his personal work as a singer.

As of 2025, he released four EPs (My Blue Vacation, My Beautiful Valentine, Yin/Yang (陰/陽 and Nuance), three studio albums (Quantum Stranger, In Bloom and Fictions), one digital album (Secret Tracks), and multiple singles. Except for his first album, he has been writing and composing all his music.

On February 24, 2019, he held his 1st solo live concert entitled “Saito Soma 1st LIVE quantum stranger(s)” in Maihama Amphitheater. Since then, he toured Japan for “We are in Bloom Live Tour 2021” with 4 stops, “(Non)Fictions 2024 Live Tour” with 5 stops, and “Zepp Live Tour 2026” with 5 stops. He had his first overseas concert in December 2025 at Zepp Taipei, part of his “Nuance Colors Tour”.

Profile: 81 Produce
YouTube: Official channel
Fan club: Saito Soma official artist fan club
Twitter: @SomaStaff