Kamen Rider W - Fuuto Tantei by AlayaShiki394 on DeviantArt

Futo Tantei, Kamen Rider Wiki

Fuuto Tantei ep 1 & 2: Return of the two-in-one detectives

I did a quick calculation of how many chapter the fuuto tantei anime might cover (if 13 episode, until chapter 27, end of vol2) (if 26 episode, until chapter 46,end of vol4)

Fuuto PI - Wikipedia

Fuuto PI Reveals New Teaser Visual and Cast - Anime Corner

Futo Tantei The STAGE

The Kamen Rider W Sequel, FUUTO PI reveals the cast and Release Window – Red's Nerd Den

Fuuto Tantei - 02 - 02 - Lost in Anime

Here and There — 𝗙𝘂𝘂𝘁𝗼 𝗧𝗮𝗻𝘁𝗲𝗶 (𝟭𝘅𝟖): 𝐓𝐡𝐞 𝐂𝐥𝐨𝐬𝐞𝐝 𝐤 / 𝐀 𝐂𝐡𝐚𝐢𝐧 𝐨𝐟

Episode Review – Fuuto PI #04 – Inori-D Station