Fuuto Tantei Spoiler) They foreshadowed it right from the opening : r/KamenRider

Kamen Rider W) Fuuto PI/Fuuto Tantei Chapter 127 : r/KamenRider

Fuuto PI Stage Play Unveils Visual, Photos of Cast in Costume - News - Anime News Network

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)

Tokime Goes Berserk Mode

Fuuto PI 12 Analysis Half-Boiled 12 – Is This Finale Enough? – MJ Muñoz

Fuuto Tantei Mid-Season Review! - Anime Ignite

Here are the photos of the cast members or characters specifically for the Kamen Rider W Season 2 Fuuto Tantei anime. It also shows 2 new characters which are Tomika and

Episode Review – Fuuto PI #11 – Inori-D Station

What are your opinions on Fuuto Tantei so far? : r/KamenRider

Fuuto Tantei Review: Psycho-Pass Flashbacks! - Anime Ignite