Tune In to the Midnight Heart Vol. 4 (Kodansha, 2025)

Slowly but steadily, each of the broadcasting club members have been making strides towards their dreams. In order to get Iko one step closer to stardom, Arisu comes up with a new strategy: VTuber collabs! But first, Iko has to get the attention of the other VTubers, and what better way than leaning on one of her strengths—live game play? And what's more popular than horror games? But things don't exactly go as planned. Has Arisu finally failed or is there still hope? Meanwhile, Shinobu tries to get closer to Arisu during their joint study sessions and Rikka's got problems of her own—the preparations for her upcoming live show. Will she be able to perform an original song in front of a real audience or will she crash and burn?