Natsu no Sazanka

One day, Tsubaki Fuyuno, the main character, begins to feel afraid of "everything and everywhere in everyday life" and knocks on the door of a psychiatrist. She is admitted to a hospital for rest and relaxation. In the "closed ward," cut off from society, a young man stares at Tsubaki in amazement. "I finally found you! Tsubaki!" ...... How did this man know my name ......?