Games like 美人姉妹と入れ替わり生活 -Becoming Your Beautiful Cousin-
Games like 美人姉妹と入れ替わり生活 -Becoming Your Beautiful Cousin- include Tricolour Lovestory, Senren * Banka, Love Delivery, ATRI -My Dear Moments-, and AIR. We matched them by the tags players give 美人姉妹と入れ替わり生活 -Becoming Your Beautiful Cousin- on Steam (Adventure, Casual, Simulation, Visual Novel, and Dating Sim): closest matches first, and among equally close ones the better-known games.

Tricolour Lovestory
Shared: Visual Novel · Dating Sim · Simulation

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

Love Delivery
Shared: Simulation · Casual · Dating Sim

ATRI -My Dear Moments-
Shared: Visual Novel · Casual · Dating Sim

AIR
Shared: Adventure · Casual · Simulation

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

Some Some Convenience Store
Shared: Visual Novel · Dating Sim · Casual

Summer Pockets
Shared: Adventure · Casual · Visual Novel

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

LoveChoice
Shared: Dating Sim · Visual Novel · Simulation

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

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

Kanon
Shared: Adventure · Casual · Simulation

LOOPERS
Shared: Adventure · Casual · Simulation

Vampires' Melody
Shared: Casual · Adventure · Visual Novel

Miracle Snack Shop
Shared: Visual Novel · Dating Sim · Simulation

Rewrite+
Shared: Casual · Adventure · Visual Novel

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

Fox Hime Zero
Shared: Visual Novel · Casual · Adventure

Class of '09: The Re-Up
Shared: Visual Novel · Casual · Simulation

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

Emily is Away <3
Shared: Simulation · Dating Sim · Casual

Stella of The End
Shared: Adventure · Visual Novel · Casual

他人世界末 On-looker
Shared: Visual Novel · Dating Sim · Casual