Kayo 4 (Pixiv Fanbox)

From the foreboding gloom around the corner and further in, trepidation swelled from her slightly contracting chest, while certain, inviting relief shone from the surface light far behind and above her. Yet still she kicked forward, believing she'll make it back up to the light if she press on just a bit more... thanks for Abyssal Agito for giving me the best short story for this.