Plague Doctor - Chapter 15: The Malformed Corpse

The youngest princess of the country of Stellaus, Marietta, was betrothed in a political marriage to the General of the great militant country, Oltaire. General Belvant was often said to be strong, a fierce and terrifying god of a warrior. On the other hand, Marietta was a delicate flower of a princess. Everyone felt pity for poor Marietta’s situation, however, the truth was that Marietta found the General very dreamy… The story of a 30-year old General with a scary face (who was actually quite nice), and the tiny and adorable 18-year old Princess in their times of conflict and of lovey-doveyness.

Follow the story of Tianlian Liu Shu, a tree who didn't know anything at first and struggles to survive and extend her roots through the cosmos.The World she lives in is filled with fantastic sights and strange new cultures, and there is something everybody in this World has: A system.Moreover, even while she is a tree, she has people who will fawn over her...?“Tiantian, does the Sun feel good on your leaves today?”“Liu Liu, I've found this delicious compost made of natural extract~.”“Tian'er, does the wind feel good on your branches?”Tianlian Liu Shu, a female tree, didn't really know what to do with these fawning women.

In a world where human and monsters relied on mystical fruits and their inner power to fight for dominance, a lost soul was thrown, given the powers from all the other worlds he’s known. But there was a catch; he had no control over what power he would get! With knowledge beyond that of most, he sails his path to the top of the one piece world!

- Description from Novelupdates

Akira Kuromiya is just an average high schooler who gets killed by a robber. He wakes up and is now a chicken!? Even worse he becomes the familiar of a girl who's apparently the heiress of a powerful clan.

That was for a short while though, as he was abandoned and woke up to find out he, now she, is trapped in a deadly magical forest with all sorts creatures trying to kill her.

The world she finds herself is one of magic and monsters like the manga she's been reading. Akira, now Hinotori is trying to live her life as a chicken in another world!