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