Midori-chan, Ano ne

Shizuka is an elementary school student who lives in a rural area and loves baseball. One summer day, her aunt Midori arrives from the city for the first anniversary of her grandfather's death... The biggest typhoon of the year is coming. The first serialized manga by Ooshiro Kogani, an up-and-coming mangaka who is attracting a lot of attention in various circles, is the story of a girl who doesn't know what it means to be free and her aunt who opens up the world for her one summer. (Source: Michikusa, translated)