: Players can send Nai to school to learn various subjects to make her a "well-rounded woman" or have her work at bars and music venues to earn money. However, sending her to work in dangerous environments can lead to "bad endings" or traumatic events (NTR).
Nai's Training Diary is a simulation game that follows a protagonist's journey in caring for and "training" a girl named Nai. In the Vietnamese community (Viet Hoa), the game is known for its high difficulty, where players must balance work, education, and affection to avoid "bad endings" involving poverty or abandonment. Core Gameplay & Mechanics