Yutaro Yamashi

Kamen Rider Lost to be added

History
to be announced

Personality
to be added

Abilities
to be added

Forms
Lost "Great Lost Smash! Are you ready? Ushinawareta kioku! Get Lost! Mwahahahahaha! haha!"

- Transformation announcement

Rider Statistics Ability Perimeters: Lost to be added
 * Rider Height:
 * Rider Weight:
 * Punching Power:
 * Kicking Power:
 * Maximum Jump Height:
 * Maximum Running Speed:

This form's primary weapon is the Rose Chopper

Devices

 * Build Driver - Transformation Devices
 * Lost Bottle - Rider Trinket
 * Lost Knuckle - Slot adapter for Build Driver and personal weapon

Portrayal
to be added

Etymology
to be added

Appearances
to be added