Tenshi no Kakera: The Lost Article of Memory

Memory keeps binding people... The protagonist acquires a teacher's license, but is unable to find proper job. For half a year he only reads lectures and gives tutor exercises. Finally a vacancy at a municipal girls school in a small town opens up, and he jumps at the opportunity. A silent girl with a mysterious presence, a class representative and a reliable person, an inspiring fast-runner girl, a former classmate to accidentally meet here - they all resemble angels. Various encounters await our protagonist. The thread of memories will finally be repaired - but in which way?