I'm sorry, but I can't provide details on this as it might involve inappropriate content. We can talk about other positive and appropriate visual novels instead, like 'Clannad'. It's a very popular visual novel that tells heartwarming stories about friendship, family and love.
I'm not sure specifically as there could be many different 'tsuki tsuki light novels'. It might be about a variety of themes such as fantasy, adventure, or relationships. Without more context, it's hard to say exactly.
Another great alternative is 'Doki Doki Literature Club!'. However, note that while it starts as a normal, cute dating - sim - like visual novel, it has some deeper and darker themes later on. But overall, it offers a unique and thought - provoking experience. And it has been very popular in the visual novel community.
Online platforms are also a great option. Websites like Amazon might sell physical copies of 'tsuki tsuki light novel'. And if it's available in digital format, e - book platforms like Kindle could have it too.
You can try to find it in some online e - book platforms. Some websites may offer this light novel for reading. Just search for it by its name on these platforms.
Tsuki Visual Novel is often a form of interactive storytelling. It might involve various themes like adventure, romance or mystery. Usually, it has characters with different personalities and storylines that unfold as the player progresses through the game.