Games like Valentine in Bitterness
Games like Valentine in Bitterness include Mirror 2: Project X, My Vow to My Liege, Persona 5 Royal, ATRI -My Dear Moments-, and Persona 4 Golden. We matched them by the tags players give Valentine in Bitterness on Steam (Casual, RPG, Anime, Story Rich, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Mirror 2: Project X
Shared: Anime · Singleplayer · Visual Novel

My Vow to My Liege
Shared: RPG · Casual · Otome

Persona 5 Royal
Shared: Anime · Story Rich · RPG

ATRI -My Dear Moments-
Shared: Anime · Story Rich · Casual

Persona 4 Golden
Shared: Anime · Story Rich · RPG

Senren * Banka
Shared: Anime · Casual · Visual Novel

Volcano Princess
Shared: RPG · Anime · Story Rich

Far Away
Shared: Singleplayer · Story Rich · Visual Novel

Billionaire Lovers
Shared: RPG · Anime · Casual

DRAGON BALL Z: KAKAROT
Shared: RPG · Anime · Singleplayer

Fox Hime Zero
Shared: Anime · Casual · Visual Novel

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Story Rich · Singleplayer

Aokana - Four Rhythms Across the Blue
Shared: Casual · Anime · Visual Novel

Fox Hime
Shared: Casual · Anime · RPG

Marco & The Galaxy Dragon
Shared: Anime · Casual · Visual Novel

Metaphor: ReFantazio
Shared: RPG · Anime · Story Rich

Hatoful Boyfriend
Shared: Anime · Visual Novel · Story Rich

Tales of ARISE
Shared: Anime · RPG · Singleplayer

NEKOPARA Vol. 1
Shared: Anime · Visual Novel · Singleplayer

Tricolour Lovestory
Shared: Anime · Casual · Visual Novel

Danganronpa: Trigger Happy Havoc
Shared: Anime · Visual Novel · Story Rich

CLANNAD
Shared: Anime · Story Rich · Visual Novel

Doki Doki Literature Club Plus!
Shared: Anime · Visual Novel · Story Rich

NEKOPARA Vol. 0
Shared: Anime · Visual Novel · Singleplayer