Yotsunoha is a visual novel originally developed by Hiqo Soft, and subsequently released in English through Sol Press.
This game is a quest in search of our school memories.
At the end of summer break, our school closed down. On our last day together, we put our true feelings inside a time capsule, and promised to meet again in three years. The promised summer came. With it came things that did and did not change between us. The quest in search of our school memories has begun.
What kind of smile will they have once we meet again?
– Taken from the official website
Yotsunoha English download edition