Long Vacation - Season 1 Episode 3 The Cocktail Don't Worry. Be Happy!
Overview: Minami has some trouble at work and is later fired, but she quickly adjusts herself. She wants to apologize for what happened at the restaurant, so she offers to bring Sena and Ryoko to Shinji's club. It turns out that Ryoko and Shinji have met before. They hit it off at the club right away which breaks Sena's heart. After Minami and Sena return home, they learn about some surprising news.