Kenichi: The Mightiest Disciple (2006)

S1E36 Miu vs. Renka! The Love Triangle Creates a Storm!

Renka uncovers Kensei Ma's whereabouts and shows up at Ryouzanpaku, intent on not only persuading her father to return home but also on capturing Kenichi's affection. This new development stirs feelings of jealousy in Miu.