Anten-sama no Hara no Naka (Pre-Serialization)

Ichito, who is half-hearted in everything he does, tries his luck at a shrine. He meets someone at the suspicious shrine who tells him that if he offers something important to him, his wish will come true——…!? Compiled in Volume 5 of [its serialization](https://mangadex.org/title/731d8500-d5c9-4c6c-b9e1-07ed746c2f3f).