At Harmilia, we create new entertainment together with creators who have diverse talents. Our in-house creators and external collaborators work together to bring out the maximum charm of our idols.

In-House Creators

Yumiko Tanaka

Business Management and Marketing Director. Built extensive experience across entertainment, apparel, and e-commerce through SNS management, advertising operations, and SNS content direction. Leveraging past experience to oversee Harmilia's business operations and creative promotion strategies that maximize talent appeal.

Tsuyoshi Iwatani

Harmilia Project Chief Manager and video director. Started career with the Kizuna AI project in the early VTuber industry. Currently oversees video content production and talent management, creating content that maximizes the appeal of idols.

Business Partners

Manato Toriyama

Vocal director and music producer. Has provided voice training for various idol groups including Hello! Project and AKB groups. His unique vocal training methods have been published in several books, with numerous TV and magazine appearances. Has coached and produced over 30,000 idols, talents, and actors.

External Collaborators

We express our heartfelt gratitude to all the creators who collaborate with the Harmilia Project. Your talent and passion make our idols shine even brighter.

Akari Kato

Talent management and business advisor. Served as Project Manager for 7 years at a liver/TikToker talent agency, directing over 20 managers and managing more than 500 talents. Currently involved in numerous idol group and solo artist projects as producer and advisor.

Tsuyoshi Okamoto

Composer, arranger, and producer. Known for sophisticated sound-making that fuses multiple genres based on band sound. Has worked with major artists like Aimer and Kis-My-Ft2, renowned for driving guitar sounds.

Juri Kanno

Singer-songwriter and composer. Achieved 13 million views on Kobasolo Channel. As former she9 member, handled numerous drama theme songs. Known for catchy melodies and highly relatable sharp lyrics.

Acco Kobayashi

Fashion designer. After graduating from Bunka Fashion College, won grand prize at Italian fashion contest. Established brand au,B, handling costume design and production. Currently also active as humanoid fashion designer.

Kenta Yokochi

Composer and arranger at SUPA LOVE. Creates diverse music from pop to electronic and band sounds with catchy, memorable melodies. Has provided music for major works including BanG Dream!, Gundam Build Metaverse ED, BATTLE BOYS, and numerous BGM tracks for YouTubers.

Ryomi Yamashita

Songwriter and Vocaloid producer at SUPA LOVE. Creates emotionally resonant music based on human "instinctive impulses". Has provided music for major idol projects including Hasunosora DOLLCHESTRA, and gains attention for Vocaloid producer activities on YouTube.