The game takes some inspiration from other feminization-based RPG Maker games on this site, as well as some inspiration from other types of games.
Changelog for Transportal 0.3.4: (Current Public Release)
Lewd Content:

- Added a sapphic lewd scene with a character we already know [no art yet]

- Added a sapphic lewd scene with a dominant woman (and her feet) [no art yet]

- Added a mini lewd scene to the inn

Art Additions:

- The first lewd scene in the game is now in full color! <3

- Added a bunch of work-in-progress sketches to an existing lewd scene

- Added TWO entirely new outfits for Jen, which work for all her expressions! :)

- Added full color art to all of Amy's existing expressions!

- Added a small amount of work-in-progress art for Dr. Boss

- Added full color art to all of Corey's existing expressions!

- Updated one of the three title screen art pieces (leave the title screen up for a while)

Story Content:

- Added a new "IRL Hangout" scene for all four party members, with a variation depending on a Choice

- Added a new "IRL Hangout" scene with Damien AND Corey

- Added a new "IRL Hangout" scene with Seth

- Added a new NPC in the City of Four that helps progress the story

- Added a dominant woman NPC to the City of Four

- Added several scenes in Verusa that give story information

- Added two new campsites for the group to rest at, including interactions with party members there

- Added hugs

Gameplay Additions:

- Added a new Solo Dungeon to explore

- Added a new Boss Fight

- Added a Crafting system with several recipes and several ingredients

- Added a new Quest at the Adventurer's Guild

- Added new uses for the "Dive" Non-Battle Skill

- Added new uses for the "Mist Form" Non-Battle Skill

- Added three new Key Items, which all have at least one use

- Added new equippable armor

- Added three new weapons

- Added a new Offensive Spell for our protagonist

- Added a new equippable accessory that grants a Defensive Skill

- Added a new regular enemy type

- Added Sweet Tea

New Options:

- There is now a proper "Instant" text speed in the Options menu. (Disabled by default)

- A controller Option exists for people using PS5 controllers (this isn't perfect, but it's there)

Adjustments:

- Made some of the "Drink Items" more useful (two of them especially so)

- Added custom sprites for the "Dive" Non-Battle Skill

- Magically turned the "Head" armor slot into the "Neck" armor slot, and moved both necklaces to it

- Light Armor has been magically renamed to Medium Armor

- Slightly buffed Seth's MP

- TP is now retained between battles.

- Prevented items from Verusa (potions, keys, etc) from being usable in the "Real Life" area

- Switched out some weapon types' icons

- Added Crafting tutorial information to the "Help Info" Key Item, and to both Libraries

- Changed a bit of the game's BGM

- Visually improved both the Residential District and Business District maps