The game got updated on DLsite a few minutes ago. It's also at 50% discount
This update finally adds the second character that showed up in some of his art, having at least one confirmed scene with Kaede using a double-sided dildo.
Also apparently some new minor customization options.
Edit: Some of the things added in this update:
Ver1.2: Momiji Shizima added as a playable character, added a special mission (just a mini game), added a simple online highscore ranking system, added a peeing function that can be used anywhere, added lesbian scene, added a defense turret, new type of enemy added, added support items, added achievement illustrations, "removed obstructing building"(don't know which one), changed processing of Atari judgment(no idea what this means), changed process of drawing system, changed lighting processing, changed processing of physical behaviors, changed engine version.
That's all I could gather from talking to the dev, I'll update this post if I missed something.