Nai's Training Diary

Nai's Training Diary Nai's Training Diary is an adult anime-style visual role-playing game where you, a journalist, take in an orphaned girl brought by police orders. Make choices that build affection and guide your shared fate.

Nai's Training Diary

Nai's Training Diary is an engaging adult visual role-playing game where you step into the shoes of a journalist. Following police instructions, you take in a lonely orphaned girl—and slowly build a bond that feels impossible to break. The game features bright, beautiful anime-style visuals that set a warm, emotional tone from the very beginning.

As the story unfolds, you’ll invite the shy, nervous girl into a comfortable room, help her heal emotionally, and strengthen your relationship through calm, friendly, and intimate interactions. Expect heartfelt dialogue, a tense and captivating narrative, and decision-making that can redirect both your future and hers.

Exclusive Storyline of Nai's Training Diary

In the background, the protagonist is a journalist who has a close friend serving as a police officer. One morning, that officer shows up with a girl and asks to bring her in temporarily.

The girl’s parents have passed away and she is currently without other relatives, so the officer needs someone she can rely on. With that request, the protagonist’s home becomes the girl’s new beginning.

Key Gameplay Features

Simple start, meaningful choices

• At the beginning, you’ll only have a small set of available actions.
• It’s best to start with straightforward conversations to learn how the girl feels and reacts.
• If you take an action without fully understanding her, her affection level will drop.
• Take your time—try different options, observe the results, and enjoy exploring what each choice leads to.

Her progress depends on you

• In this Android game, the heroine’s overall state changes based on your decisions.
• Negative actions reduce her status, while positive actions help it grow.
• Along with status, stress is extremely important.
• If stress reaches 100, the game ends—so aim to keep stress as low as possible.
• The game includes multiple status-related options that influence how events unfold.

A Unique Emotional Bond

Your main job is to carefully nurture Nai and help her build a real emotional connection with you. Certain actions can even influence Nai’s personality over time.

Because of what she has been through, Nai starts off very reserved and withdrawn. That means every choice—from gentle support to more intimate moments—matters. Plan carefully, because the past has left marks on her sensitive heart.

Rich CG and Story-Relevant Decisions

When you help her face difficult situations, you directly affect her emotional development and help her overcome fear. More importantly, the decisions you make don’t just change her feelings—they shape the entire storyline.

As you guide her, your actions become a kind of compass, shifting her perspective and influencing the direction of the relationship, you, and the future of the story.

Game Highlights

• Completely free to play
• Role-playing experience with life-simulation elements
• Engrossing storyline
• Multiple characters to choose from
• High-quality visuals
• HD graphics and animations
• Multiple endings based on your choices



• User-friendly interface
• Supports four languages



• No ads
• No registration required
• No in-game purchases
• Instant save

Final Verdict

Nai's Training Diary Apk is a distinctive Android game that combines role-playing, simulation, and the Ren’Py engine. Make different decisions to experience how the gameplay—and the story—can change completely.