About:
Koyama Harutomo is a Japanese child actor.

• Known For
• 
  Struggling Man
  as
  Ryota Izawa
• 
  No Matter How Much My Mom Hates Me
  as
  Young Taiji
• 
  Last Summer Wars
  as
  Moriyama Motoo
• 
  Like a Girl Playing House
  as
  Daiji (8 episodes)
• 
  Tower of Sand
  as
  Aso Shunsuke (10 episodes)