Main Series - Explanation (Patreon)

I received a question, what exactly is a "Main Series".
The Main Series, are videos taking place in one universe.
Girls from various anime/game/manga series are attending one school, and interacting with each other.
Example 1 - in the Main Series, Shinobu is in a relationship with Illya.
Example 2 - Miku got pregnant by her Master (now husband).

List of videos from the Main Series
- All "Miku & Master" videos
- All "Futanari Crisis" videos
- "Kuro's New Magic"
- "Attack On ASSassin"
- "Night Party"
- "Zetsune Darkness"

There are 16 videos currently, from the Main Series.

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Other videos, not mentioned above, are NOT a part of the main series.
For example the recently posted Nagatoro video.