The Unbreakable World!

*Please be aware that this work contains depictions of relationships with non-human entities (including tentacle play), one-hole-two-stick, and milk play. "That, that's my pet, octopus!" Cha Su-yun, a D-class guide barely making a living with one-time guidings. One day, he receives a guiding request from Yeo Tae-kyung, a S-class esper known to the entire nation. During the guiding, Su-yun learns that Tae-kyung is not human, and the awakened Tae-kyung transforms into a strange creature resembling a baby octopus and disappears. On the verge of being fired, Su-yun despairs over his life and stops by a seafood restaurant, where he accidentally discovers Tae-kyung, now an octopus, in a fish tan...