My Girlfriend's Friend - S01

<p>High school student Takeru Hidaka has just started dating his classmate Kaori Koga. They agree to take things slowly, but there is one problem: Tomoko Yoshioka, Kaori's best friend. Yoshioka is ready to do anything to get Takeru to cheat on Kaori with her, since that is the only thing that can satisfy her sexually.</p> <p>Even with Yoshioka's constant advances, Takeru wants to stay loyal to Kaori. But as Yoshioka pushes harder with seduction and manipulation, Takeru's faithfulness is put to a real test.</p>