a series of titles in which a human character reincarnates as a monster, demi-human, location, animal, plant, or object! there must be references to the mc's previous life while following the journey of their current life, and the mc must be noticeably non-human, either by appearance or abilities. if the mc is unaware of their previous life until later, this may still be considered.

(updating!!)

not on MAL:
Yuri Wall by Seta Seta
'“As an outsider, I want to silently protect and watch over the love between women…,” said a Yuri fanatic that got hit by a car and reincarnated as a wall in a certain apartment! And for some reason, the residents of the apartment room are always two girls in yuri relationship… Let’s support these cute and heartwarming couples together with the passionate wall in “Yuri Wall”!'

Don't Underestimate a Big Carrot by 人家特可以
'A young genius, Cheng Xin, is mysteriously shot at an award ceremony for the Omniscient AI System. When he awakens, he finds himself transformed into a scruffy-looking radish spirit in the Secret Forest, and the omniscient system is haphazardly activated. Thus begins the legend of the Great Radish.'

Reincarnated as a Legendary Grimoire by Geumhon, Yang Galbi
'I was reincarnated as a grimoire containing all the magical knowledge of another world. Anyone who reads me can become a legendary archmage. Please, just read me... But no one is willing to open my pages.'

A Sword's Evolution Begins From Killing by Pikapi (噼咔噼)
'Ye Fan was reborn as a strange sword with its own upgrade system. Ye Fan has been continuously upgraded through the killing experience of the sword masters of the past dynasties, and has become an evil sword that everyone in another world competes for. As soon as the evil sword was born, it would definitely set off a bloody storm, and Ye Fan also worked hard to get rid of the sword body and restore his human form as soon as possible…'

Evolution: Road to Space Monster by 공포의거북이, 아이나무
'The protagonist wakes up to find that they are reborn as an alien creature inside an SF survival video game. In order to survive in a strange, foreign world, they must use their knowledge of the game and evolve until the final stage. Through this evolution, the protagonist becomes a terrifying creature that everyone fears.'

Skeleton Evolution: Starting From Being Summoned By the Sorceress by 静孤与寞
'Jiang Cheng, a man who unexpectedly finds himself reincarnated into a fantastical game world as a lowly skeleton, summoned by a group of beautiful female players using dark necromancy. To his dismay, this skeleton is no ordinary minion; it's the epitome of cannon fodder, barely worth a second glance! But fortune smiles upon him, for he possesses an extraordinary ability—the Infinite Evolution System!'

Slayerdramon Ant by Taxue Comic
'A high school student Zheng Lang reincarnated into an ant after the death. The world he lives now is another world, under the control of monsters. One day, he ran into some people who accidentally entered the world and they became friends. A new and exciting journey is waiting for them…'