[Pixiv] Mona X Slime - An Intimate Offering

Mona, as usual, carried out her calculations in the study of slimes and their activities. However, during the experiment, everything went wrong and the heroine was captured by a terrible depraved huge water slime, which could skillfully wield its tentacles. The girl was subjected to his depraved attacks for a long time and endured them steadfastly. Mona eventually became pregnant, but gained a new experience and understood some of the nature of water slimes...