Games like Emiko's Pledge 2
Games like Emiko's Pledge 2 include SANABI, ICEY, Celeste, Afterimage, and Touhou Hero of Ice Fairy. We matched them by the tags players give Emiko's Pledge 2 on Steam (Female Protagonist, Anime, 2D Platformer, Side Scroller, and Cute): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: 2D Platformer · Action · Story Rich

ICEY
Shared: Female Protagonist · Anime · Action

Celeste
Shared: Female Protagonist · 2D Platformer · Platformer

Afterimage
Shared: Female Protagonist · 2D Platformer · Anime

Touhou Hero of Ice Fairy
Shared: Anime · Female Protagonist · Side Scroller

Rabi-Ribi
Shared: Anime · Female Protagonist · Cute

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Side Scroller · Female Protagonist

Tomb Raider Game of the Year
Shared: Female Protagonist · Action · Adventure

Planet of Lana
Shared: Female Protagonist · Action · 2D Platformer

Bloodstained: Ritual of the Night
Shared: Female Protagonist · Anime · Action

Gal Guardians: Demon Purge
Shared: 2D Platformer · Action · Anime

Freedom Planet 2
Shared: Female Protagonist · Side Scroller · Platformer

Rise of the Tomb Raider™
Shared: Female Protagonist · Action · Adventure

TEVI
Shared: Anime · Female Protagonist · Side Scroller

Muse Dash
Shared: Anime · Female Protagonist · Cute

Iconoclasts
Shared: Female Protagonist · Action · Story Rich

The Vagrant
Shared: Female Protagonist · Action · Side Scroller

Shantae: Half-Genie Hero
Shared: Female Protagonist · Cute · Side Scroller

Nyaruru Fishy Fight
Shared: Anime · 2D Platformer · Cute

Lost Ruins
Shared: Anime · Cute · Action

Freedom Planet
Shared: Female Protagonist · Action · Platformer

Frontier Hunter: Erza’s Wheel of Fortune
Shared: Female Protagonist · Side Scroller · Anime

Momodora: Moonlit Farewell
Shared: Anime · Female Protagonist · Side Scroller

Shantae and the Seven Sirens
Shared: Female Protagonist · Anime · Cute