Optional Variations / Hooks
Finding the original v1.0 is difficult. Most major distributors (Itch.io, Steam Greenlight) have delisted it due to the "Two Pillows Ending" and the non-consensual camera mechanic. However, the dev, known only as NekoNekoSoft_Retro , hosts the original .exe on a NeoCities archive. 30 Days - Life with My Sister -v1.0- -PillowCase-
In v1.0, the protagonist has a hidden "Tension" stat. Sleeping on the same floor as Miki increases this stat. However, if you steal the PillowCase (which the game allows on Day 7, 14, and 21), the Tension stat resets, but Miki’s "Trust" stat becomes permanently locked at 50%. You can never achieve the "True Ending" if you touch the PillowCase without permission. Optional Variations / Hooks Finding the original v1
