Yarudora Series Vol. 2: Kisetsu O Dakishimete
In Yarudora Series Vol.2 Kisetsu O Dakishimete the protagonist and his friend Tomoko are walking under cherry trees filled with blossoms when they find a young girl who appears to be sleeping. The unconscious girl happens to be Asayo, who the protagonist had a major crush on in high school. When she wakes up, her memory has been wiped clean and it's up to the player and Tomoko to help her remember the events leading up to her cherry tree sojourn.