Air date: 2026-01-06

Meet Arisu Yamabuki, heir to a powerful conglomerate who seeks perfection in life. He listened to the radio program Midnight Heart Tune until the host, Apollo, vanished. Upon enrolling at Furin High and joining the broadcasting club, he meets four girls hoping to make a living off their voices. Arisu promises to make their vocal dreams come true and honor the promise he once made to Apollo.