If you're looking for anime similar to Osamu to Musashi, you might like these titles.
The story begins with a girl mistakenly killing two ladybirds. From this incident, the girl's guilt overwhelms her, creating the hallucination of a button of her blouse turning into ladybirds. She begins to feel that her selves have multiplied and exist elsewhere. In an attempt to assuage the continuous wave of guilt and fear, she keeps sewing hundreds of buttons to the inside of her skirt.
One day, a boy who separated from his mother's hand is deprived of his fingers. When mother's love shows another side, his fingers become a larva and part from his hand. The house stands as concealed a relationship between the two from anyone. How does the boy who is deprived of his finger grow up?
A jovial spider sits atop a comfortable web in a field filled with flowers, trying to lure any insect into its clutches. When a beautiful ladybug gets within reach, he coaxes her to the web, saying it's fun - and thus begins her daring and dangerous adventure! Luckily, a fellow flying friend, a tulip and a thunderstorm ensure that the ladybug will manage to escape scot free.
There's a pet caterpillar named Larva in my class. I don't like bugs but Larva is sweet and we become friends. But one day, I am faced with a horrible choice.