Episode3

S1, E3: Takuya finds that Chiharu was messaging someone named S through a payment app. He identifies the hotel lounge through her payment history and sees Chiharu enter the hotel! Panicked, Takuya calls Sakurai for help. Meanwhile, Chiharu meets with S but sees that Takuya is nearby on her GPS. He's scared but wants to know! Takuya finally makes up his mind?! Who is S?!