Born in Yamaguchi, Japan, in 1997, Seika began playing the piano at age 3 and has studied with Yuko Yamane, Masahi Katayama, the late Hiroko Nakamura, and Jasminka Stancul. She has completed her Bachelor’s (July 2020) and Master’s Degrees (June 2022) with the highest score at the University of Music and Performing Arts Vienna, and continues her piano studies there as a postgraduate student, with Anna Malikova.
Since presenting her first European performance in 2007, she has been awarded the second prize in the 1st Rosario Marciano International Piano Competition in Vienna, Austria, where she also received Best Schubert, Best New Piece, and Best Young Artist prizes. In 2010, she won the first prize in the junior category of the International Russian Music Competition, held in California. In 2011, she was the youngest participant at New Orleans International Piano Competition for Young Artists, where she received an honorable mention prize. As the result, she was awarded the President Prize from Yamaguchi University. In 2014, she was awarded the Most Promising Prize at The 18th Hamamatsu International Piano Academy Competition and was chosen as a scholarship student of YAMAHA MUSIC FOUNDATION. After that, she appeared on the TV program “Untitled Concert” which was broadcasted in Japan. In 2015, she won the second prize at The 19th Hamamatsu International Piano Academy Competition. In 2016, she took part in Ambassador of Tarnow Maestro Krystian Tkaczewski and his guests- masterclass. In the next year, she was invited to Chopin Festival in Bunko-Zdroj by Krystian Tkaczewski, where she performed Chopin's complete preludes. After the festival, she participated in The 2nd Krystian Tkaczewski International Piano Competition, where she was awarded the 1st Prize. In 2018, she made her debut in Germany (Essen & Krefeld) and Spain (Madrid) for giving concerts organized by KAWAI Europa GmbH and KAWAI Spain, where people described, "Seika was impeccable in everything, spectacular piano technique, masterfully mastered the sound range of the Shigeru Kawai." In September 2019, she was awarded the 1st Prize, as well as the Best Chinese Works Prize at The 3rd Zhuhai International Mozart Competition, where she performed Mozart's Piano Concerto No.27 under the baton of Mr. Lavard Skou Larsen. In February 2020, she received the diploma as well as the Best Compulsory Work Prize at the 14th International Mozart Piano Competition Salzburg.