: Players must successfully enter the bedroom and perform actions without waking Anami-chan.
: Various interactions are available depending on the stealth level and the time of night. Version 1.13 Details
: Addressing "soft locks" or animation glitches during specific interactions. Night Attack on Little Sis! v1.13 PC
: Also known in some regions or listings as Sleeptime Fun! . 13 or a specific technical fix for the PC version? Night Attack on Little Sis!
is a simulation game that combines stealth mechanics with adult-oriented gameplay. Developed by Rayn and Namida, the game focuses on a protagonist utilizing ninja training to interact with their sister, Anami-chan, while she sleeps. Gameplay Mechanics The core gameplay revolves around stealth and timing: : Players must successfully enter the bedroom and
: Tweaks to the difficulty scaling of the awareness gauge. Game Overview Platform : PC.
: Approximately 1.5 hours for the main story. : Also known in some regions or listings as Sleeptime Fun
Version 1.13 is a later update in the game's lifecycle (originally released around 2017–2018). While specific changelogs for v1.13 are rarely archived on mainstream sites, these types of updates for the title generally include: