Experienced players suggest leaving the Harem ending for your final playthrough.
This game has very few choices, but it is highly recommended to save before every decision point.
Focuses on choices regarding Zebia . For the True Ending , you must avoid getting Zebia pregnant and choose to become the "Husband" rather than a "Pet".
For detailed walkthroughs and scene completion, you can check community discussions on Fuwanovel or Reddit's Visual Novel community . Guide :: The Way of the Master Ninja - Steam Community
Unlike the main series, this "Gaiden" entry has a more linear structure with fewer branching paths. The three primary outcomes are: Focused on the character Gladys.
* Do not rush in. One of the most common problems players face is being impatient and rushing in. ... * Always keep your guard up. Steam Community Ninja Gaiden 2 (Official Prima Guide) PDF - Scribd
If your file name is a mislabeled action game, mastery requires learning techniques like the Ultimate Technique (UT) and Obliteration Techniques to survive higher difficulties.