"The southernmost tip of Arakawa River island" appears in Jujutsu Kaisen 2 (ED1). Location: Edogawa, Tokyo, Japan. Jujutsu Kaisen 2 has 77 registered pilgrimage spots across 11 cities.
The southernmost tip of Arakawa River island in Edogawa, Tokyo, Japan — Jujutsu Kaisen 2 Anime Location Map