In Episode 4 of "Imaizumin-chi wa Douyara Gal no Tamariba ni Natteru Rashii," the narrative continues to explore the dynamics between Keita Imaizumi and the three gyaru girls—Reina Hamasaki, Ruri Kurumizaka, and Yukina Sasaki—who have made his apartment their regular hangout. This episode delves deeper into their relationships, highlighting both the comedic and intimate moments that arise from their cohabitation. As the story progresses, the bonds between Keita and each of the girls strengthen, leading to developments that blend humor, romance, and the challenges of their unique living arrangement.