Chikan densha: Gusshori shita kuchibiru

Shogo, an elite employee, has a hobby of gropping. Today, he met Chika, an office lady, on the train and went straight to a hotel. He is a popular playboy among the office ladies in the company, and is desperate to woo Misaki, the daughter of the owner of a familiar bar. However, Misaki, who prefers hot-blooded men, stubbornly refuses his advances. Meanwhile, Shogo reunites with his middle school classmate, Seiji. He also has feelings for Misaki, but he is shy and can only stare at her from afar. He asks Shogo to help them build a relationship. Before long, Seiji is close to Misaki. Feeling a sense of crisis, Shogo uses Tae, an office lady who works at a high-class establishment, to carry out a plan. Shogo traps Seiji and successfully gets Misaki, but...