Sanako is a 10-year-old girl who lives with her father in Tokyo. Inside the gray building which is their home, they have created a sky garden full of huge, green potted plants. In this city oasis, kindhearted people meet…

From Ivyscan:

The story of Mitsuko who was born with a 'star' on her palm. It's believed that those who are born with this mark will live to fly high, holding the stars within their grip. However she is just the third daughter of the Aoyama family who own an antique store. Her life will change forever after meeting Heinrich, an Austrian count visiting Japan.

Divided into four chapters entitled respectively 1970, 1974, 1976 and 1980, the story focuses on a young couple, Keiko and Kosuke.
They meet during high school and soon become friends. Koisuke aspires to become a famous movie director and Keiko helps him with his project in a competition. The outcome is brilliant but not much later Keiko sees him kissing another girl. During the next years they will meet again, but will they be able to overcome their misunderstandings?

From Ivyscan:

In 1875, after the death of her parents, Uno goes to live in the Kanou household as a companion to Mariko, who is the same age as Uno. The two girls become very close and attend Cimons private school.
This great romance tells the story of the loves and dreams of two girls growing up during the westernization of Japan in the Meiji era.

From Wingtip Cafe:

Udagawa Kachiko is a studious no-nonsense high-school girl. One day, she found an entrance to a fantastic world called Fusuma Land.