Games like Yihongyuan
Games like Yihongyuan include Summer Memories, 魔女的夜宴, Yokai's Secret, Swaying Girl, and Lost. We matched them by the tags players give Yihongyuan on Steam (Sexual Content, Nudity, Hentai, FPS, and Interactive Fiction): closest matches first, and among equally close ones the better-known games.

Summer Memories
Shared: Sexual Content · Nudity · Hentai

魔女的夜宴
Shared: Sexual Content · Hentai · FPS

Yokai's Secret
Shared: Sexual Content · Nudity · Hentai

Swaying Girl
Shared: Sexual Content · Nudity · Hentai

Lost
Shared: Sexual Content · Nudity · FPS

NEKOPARA Vol. 1
Shared: Hentai · Nudity · Sexual Content

NEKOPARA Vol. 0
Shared: Nudity · Sexual Content · Hentai

NEKOPARA Vol. 3
Shared: Sexual Content · Hentai · Nudity

NEKOPARA Vol. 4
Shared: Sexual Content · Hentai · Nudity

To Be or Not to Be
Shared: Sexual Content · Nudity · Hentai

Dispatch
Shared: Sexual Content · Nudity · Choices Matter

NEKOPARA Vol. 2
Shared: Sexual Content · Nudity · Visual Novel

Seek Girl:Fog Ⅰ
Shared: Sexual Content · Nudity · Hentai

your wife
Shared: Sexual Content · Hentai · Nudity

Maitetsu:Last Run!!
Shared: Sexual Content · Nudity · Visual Novel

Dusk Pub - Adult Only
Shared: Sexual Content · Nudity · Hentai

Tricolour Lovestory
Shared: Sexual Content · Nudity · Visual Novel

Pretty Angel
Shared: Sexual Content · Nudity · Hentai

Yusetsu
Shared: Sexual Content · Nudity · Hentai

Seek Girl Ⅱ
Shared: Sexual Content · Nudity · Hentai

West Sweety
Shared: Sexual Content · Nudity · Hentai

Miss Neko 2
Shared: Sexual Content · Nudity · Hentai

Seek Girl Ⅲ
Shared: Sexual Content · Nudity · Hentai

Baldur's Gate 3
Shared: Sexual Content · Choices Matter · RPG