Koyama Harutomo is a Japanese child actor.
Mare
2015 · Takumi Kontani
Tower of Sand
2016 · Aso Shunsuke
Like a Girl Playing House
2016 · Daiji
No Matter How Much My Mom Hates Me
2018 · Young Taiji
Struggling Man
2021 · Ryota Izawa
Last Summer Wars
2022 · Moriyama Motoo
