An irresponsible extra of "Skip Queen".
From the perspective of Nanakura Matsori, this is a story about a mistake in one thought and going astray.
The following is the source of this extra chapter - the volume address of the novel "[Main] Skip Queen":
Volume 1: Gray (Act 1: Betrayal - Act 2: Pain - Act 3: Secret)
Volume 2: Green Buds (Act 4: Nakajian - Act 5: Rebirth - Act 6: First Bloom)