The cat sleeps near the rug. Walk at half-speed to avoid waking it.
In "Night Attack on Little Sis!", you play as the older brother who can no longer resist the urge to pull pranks on his sleeping little sister, Anami‑chan. After years of ninjutsu training, it’s time to put those skills to use: sneak into her room, perform various actions, and try not to get caught. The game is a short‑form simulation that takes most players between 1.5 and 4 hours to complete, depending on how thoroughly you explore and how quickly you solve the puzzles.
: Always aim to wake up with at least 60 energy to ensure you can trigger random events during the day. Understanding Relationship Stages
The developers, Rayn and Namida, released a major update in early 2026 that overhauls several core systems and adds new content. Here’s what’s changed:
Happy sneaking!
To progress through the main story and prepare for difficult encounters, focus on building your resources: Early Game Farming : Collect and sell apples and lemons to reach approximately 500 crystal coins . Purchase the (300 coins) to catch fish more efficiently. Crafting for Profit
: The expanded DLC campaign requires working diligently at the local hot springs during weekdays to systematically pay off the guild's massive financial debt. Upcoming Content Updates
This is the hardest section in the new walkthrough. Lily wakes up scared.
Move your support units slightly backward. The enemy will deploy stealth assassins that target your backline. night attack on little sis walkthrough new
: Start your night after 22:00. To maximize your time, add 90 minutes to your wake-up time.
The game begins in your character’s bedroom. Take a moment to examine your surroundings. You’ll find a flashlight (key item), a small bag of snacks, and a note reminding you to be quiet. Grab the flashlight and the snacks – the latter can be used to distract your sister if she starts to stir.
Input the master keypad code ( 4-9-2-1 ) discovered from the kitchen notes in Chapter 2.
Some events are triggered by the time of day (Night vs. Day). New Walkthrough: Key Scenes & Paths The cat sleeps near the rug
Add 90 minutes to your sleep timer to wake up in the middle of the night for interactions. Core Gameplay Mechanics
To experience everything the game has to offer, follow these tips:
: If you are aiming for the Happy Family Ending , do not finish the standard adventure path early; continue building stats. Game Information Platform : PC (itch.io).