Zenodo. 2026This paper fixes the bridge layer between the first and second systems of Kasei-Theory. The bridge layer does not introduce an outside, a pre-world structure, world-formation, emergence, activation, or a domain beyond the first system. It reorganizes the first system as a field of peripheral fixations at the limit named Kagen. The peripheral is not exteriority. It is not the failure of a condition to be fulfilled. At the peripheral limit, the judgment of establishment and non-estab