If you're looking for manga similar to Mada, Ikiteru..., you might like these titles.
Kazushi and Luc get lost in a dense forest on their way back from delivering flowers. There, they meet a group of mysterious, carefree young girls with only an absent “Madame” to supervise them. What secrets hide in this forest?
Two children come across a house in the forest. Inside lives a witch - at least, according to the other children. She's rumored to be storing a thousand cat corpses and is capable of kidnapping and using magic, and they can't look upon her. That is, until she returns to the house with a smile and invites them in! Once inside the two children learn about the old woman and realize that things aren't always as they seem...
The story follows a family of mask-makers and their reclusive son who has completely shut himself off from the world...
In this forest, there is a bear only children can see. If you can escape the forest after spending one day with that bear, you can become whatever you desire. A young girl sets foot into the dense forest of legend and what she encounters there was.
To get away from the city, an avian professor and a team of researchers travel deep into a cabin located in the middle of a vast, cold, isolated forest to spend a couple of weeks. The animal population was declining in that area and it was a common belief that poachers were to blame. But a dark legend indicates that a gigantic beast called "Shatoun" (the sleepless one) doesn't hibernate and has decimated the population of creatures and humans in the area. Eventually, Shatoun causes havoc in the cabin where the humans are devoured one after another. Cut-off from comunication with the world, it's up to Kaoru Tosa, a 29-year-old frail TV reporter to escape with her 9-year-old daughter from the fangs of this unstoppable and bloodthirsty beast!!
You awake on your back in a forest covered with ash, confused, uncertain. How did you get there? Why does your head hurt so much? Why is a book containing but blank pages strapped to your back? Why are you… a rabbit? Yes, you’re a rabbit. And you are being chased by a massive wolf. What will you do now?