Midori no Hoshi
A manga about 2 astronauts who crash land on an alien planet divided into a society of humanoids and talking frogs.
I really enjoyed this book. Keigo Shinzo has a distinct art style that makes his characters unique. They have more rounded faces that gave this series a very warm look that works well with the alien setting.
The story follows the plight of Takaichi who desperately wishes to escape the planet and return home but finds himself attracted to a female humanoid. He ends up having a crisis of conscience when he learns the true relationship between the humanoids and the frogs which was entertaining to experience.
A unique sci-fi story that I recommend.
~dakazu