S2·E56 Shinjuku success legend. The neighbor is a beautiful dancer (Part 1)

A dancer named Maiko rents out the apartment adjacent to Ryo and Kaori. Already she is worried not only about Ryo's advances but the fact that an unknown person appears to be in her apartment when she is not home and when she is being followed. While Ryo initially tries to help, she rebuffs his advances.