With Jojolion, Delcourt/Tonkam finally catches up with the Japanese publication of Jojo's strange adventure! The city of Morio is devastated by the earthquake on Japan's Pacific coast. As a result of this disaster, strange buildings called "walls that see" make their appearance. Yasuho, a student, will find a naked young man, wearing a sailor's beret, in the rubble. He does not remember anything. They will then go on a quest in search of his real name...