If you're looking for manga similar to Waiting in the Summer: In Our Last Summer in High School, We Await That Summer, you might like these titles.
Your crystals flutter down, coating my heart... A city girl moves out to the country.
In a village where the stars shine brightly in the sky, the inhabitants find themselves forced to leave their land within the year in order to make room for the strange new power plant that is being built there. Having lived in the village his entire life, Kotarou cannot accept the fact that his beloved home is soon to disappear. During that fateful summer vacation, our young protagonist and his best friend Haruhiko meet Oosaki Kanna, a sweet young woman with an enthusiastic smile who suddenly moves to the area...
In the 21st century, aliens have arrived on Earth and live among humans. In sleepy Enohana, the dirt-poor student Chigasaki Mayuko finds herself living together with NieA, a low-caste ("Under Seven") alien. While Mayuko struggles diligently to make ends meet, NieA seems to be totally unconcerned with the consequences of her actions.
High school student Ayumi Yumeji belongs to her school's photo club. She takes photos in various places in town and grows up while meeting people.
When Hokkaido-born Haruki meets animal photographer Akihito and finds out his accommodations have fallen through, he offers his home as a shelter for the winter. A city slicker, Akihito is smart, charming, and a smooth conversationalist; the polar opposite of country boy Haruki. Despite their differences, Akihito wants to close the gap between the two of them, before the snow thaws in the spring.
In a mountainside bakery, the young shopkeeper Konta meets Mamita, an alien whose spaceship crashed and is looking for food. Konta winds up taking the stranded alien in as his little brother. This is the diary of a baker and an alien as they live together as "siblings".
Photographer assistant Kurejima Eiji has just been dumped by his girlfriend when he meets high school student Suginoi Hiroto, who is cold and is trying to warm himself on the roof of Eiji's car. Eiji brings Hiroto back to his apartment, where he discovers that Hiroto is gay and also broken hearted.