Kioku no Shuuzen, Uketamawarimasu

How reliable would you say your memory is? As humans, our minds can omit memories. Memories can become idealized. Sometimes, they can even be entirely fabricated. There are various ways by which one's recollection of past events can become distorted. One could even say that it is a type of mental defense mechanism meant to protect us. But what if you had the chance to see your memories in their original state, unblemished and untouched...? Would you take it? Meet Hakucho, the hippocampus and their assistant, Rohen, two mysterious individuals that live and work at an old-fashioned cafe that's more than meets the eye. Their shop comes to those plagued by their past, offering a chance to see the truth behind their memories. When restoring a client's memories, Hakucho summons a mystical creature from their ancient pipe. The creature enters the client's mind, scouring its depths to reveal that which has become obscured. However... sometimes, the truth is perhaps best left forgotten. (Source: Manga Plaza)