The v1.3801 patch transitions the title from a standard visual novel into a fully fleshed-out adult simulation experience.
Use the in-game camera frequently. In v1.3801, certain photos can reveal Tomie's "true form," which helps in managing her mood swings. Tomie Wants to Get Married Expansion -v1.3801- ...
If two Tomies meet, a unique "Identity Struggle" event triggers, forcing the player to choose which one to favor—often with dire consequences for the house. 💍 The Wedding Ritual Overhaul The v1
You must have reached an ending at least once. a unique "Identity Struggle" event triggers