Ep. 4: Natsuki joins Anna's club while Keiichi feels isolated from his friends.

4

Natsuki decides to join the same club as Anna with the specific intention of getting closer to her. At the same time, Keiichi starts to experience feelings of being left out. This sense of isolation arises because his friends are becoming increasingly occupied with their interactions with girls. The episode highlights these shifting social dynamics within the group, contrasting Natsuki's proactive approach to her relationship with Anna against Keiichi's growing sense of exclusion due to his peers' new priorities.