To effectively progress through Kunoichi Keiko: The Lust Village
In the early game, your priority is securing a steady supply of resources. This allows you to upgrade facilities which, in turn, unlocks higher-level interactions with the villagers.
Alexandra: Scenes are unlocked by having sufficient drunk and lust levels (e.g., Level 4+ for advanced scenes) and using a hairpin to enter her room at 21:00.
Late Game Strategy:
Disclaimer: This guide is for adult players of legal age. All characters depicted are 18+. Game mechanics and scene triggers verified for v2.1.6.