Chapters 1, 2 and 3 are full versions in web version. Chapter 4 is missing cunnilingus scene in the bathroom, but everything else is there. Chapter 5 is missing a lot of scenes, it's not finished yet by the way. You could also play the full version of the game online here: https://luna.titdang.me/ It contains more scenes in Chapter 5. Itch.io browser versions are limited by max size of the online game on this site, unfortunatelly.