Games like 俺が私に変わった日…~Becoming a She~
Games like 俺が私に変わった日…~Becoming a She~ include LoveChoice, Doki Doki Literature Club Plus!, Love Is All Around, I Wani Hug that Gator!, and Lucy -The Eternity She Wished For-. We matched them by the tags players give 俺が私に変わった日…~Becoming a She~ on Steam (Choose Your Own Adventure, Visual Novel, Education, Romance, and Simulation): closest matches first, and among equally close ones the better-known games.

LoveChoice
Shared: Romance · Visual Novel · Dating Sim

Doki Doki Literature Club Plus!
Shared: Visual Novel · Dating Sim · Romance

Love Is All Around
Shared: Visual Novel · Dating Sim · Romance

I Wani Hug that Gator!
Shared: Visual Novel · Choose Your Own Adventure · Romance

Lucy -The Eternity She Wished For-
Shared: Visual Novel · Romance · Dating Sim

Tricolour Lovestory
Shared: Visual Novel · Dating Sim · Simulation

Date Everything!
Shared: Dating Sim · Romance · Simulation

BAD END THEATER
Shared: Visual Novel · Choose Your Own Adventure · Romance

ATRI -My Dear Moments-
Shared: Visual Novel · Romance · Cute

Our Life: Beginnings & Always
Shared: Visual Novel · Romance · Choose Your Own Adventure

Hooked on You: A Dead by Daylight Dating Sim™
Shared: Visual Novel · Choose Your Own Adventure · Dating Sim

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choose Your Own Adventure · Romance

Knowledge, or know Lady
Shared: Visual Novel · Dating Sim · Romance

ERROR143
Shared: Visual Novel · Dating Sim · Simulation

Emily is Away <3
Shared: Simulation · Dating Sim · Visual Novel

Love Delivery
Shared: Visual Novel · Simulation · Dating Sim

NEEDY STREAMER OVERLOAD
Shared: Visual Novel · Cute · Sexual Content

Dispatch
Shared: Choose Your Own Adventure · Romance · Sexual Content

Senren * Banka
Shared: Visual Novel · Dating Sim · Romance

小白兔电商~Bunny e-Shop
Shared: Visual Novel · Dating Sim · Simulation

NEKOPARA Vol. 2
Shared: Visual Novel · Romance · Cute

CLANNAD
Shared: Visual Novel · Romance · Dating Sim

Gaokao.Love.100Days
Shared: Visual Novel · Dating Sim · Romance

The Test
Shared: Choose Your Own Adventure · Simulation · Visual Novel