Games like Lovely Lady RPG
Games like Lovely Lady RPG include Suzerain, The Coffin of Andy and Leyley, Undertale, Love Curse: Find Your Soulmate, and The Life and Suffering of Sir Brante. We matched them by the tags players give Lovely Lady RPG on Steam (RPG, Visual Novel, Text-Based, Indie, and Alternate History): closest matches first, and among equally close ones the better-known games.

Suzerain
Shared: Visual Novel · Text-Based · RPG

The Coffin of Andy and Leyley
Shared: Visual Novel · Dark Comedy · Multiple Endings

Undertale
Shared: RPG · Choices Matter · Indie

Love Curse: Find Your Soulmate
Shared: Visual Novel · LGBTQ+ · RPG

The Life and Suffering of Sir Brante
Shared: RPG · Visual Novel · Text-Based

My Vow to My Liege
Shared: Visual Novel · RPG · Indie

Volcano Princess
Shared: RPG · Visual Novel · Choices Matter

Roadwarden
Shared: RPG · Text-Based · Indie

LoveChoice
Shared: Visual Novel · Choices Matter · Romance

Road to Empress I
Shared: RPG · Visual Novel · Choices Matter

Legend of Mortal
Shared: RPG · Choices Matter · Lore-Rich

Sweet Home
Shared: Visual Novel · RPG · LGBTQ+

Love Is All Around
Shared: Visual Novel · RPG · Choices Matter

Yes, Your Grace
Shared: Indie · RPG · Choices Matter

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choices Matter · Lore-Rich

风信楼
Shared: Visual Novel · Choices Matter · Multiple Endings

a new life.
Shared: Visual Novel · Indie · LGBTQ+

他人世界末 On-looker
Shared: Visual Novel · Text-Based · RPG

Aliya: Timelink
Shared: RPG · Visual Novel · Text-Based

Emily is Away Too
Shared: Indie · Choices Matter · Text-Based

Choice of Robots
Shared: Text-Based · RPG · Indie

Otaku's Adventure
Shared: Visual Novel · RPG · Indie

Pyre
Shared: RPG · Indie · Visual Novel

Stiff Neck
Shared: RPG · Visual Novel · LGBTQ+