The story centers on Ryu Hayabusa, a traditional male ninja hero, wielding katana and ninjutsu to prove his innocence in the murder of CIA agent Irene Lew and battle demonic forces aboard an ancient alien ship. Themes are purely action-oriented ninja battles, vengeance, and supernatural confrontation, with no progressive elements like identity politics, systemic oppression, diversity lectures, or non-traditional representations.

There are no race/gender swaps, forced diversity, LGBTQ+ focal points, or critiques of traditional norms. Publisher Hamster Corporation specializes in authentic retro ports, including both Japanese and English versions where applicable, with no reports of localization censorship or character design changes.

Koei Tecmo/Tecmo shows no DEI consultancy involvement or activist statements for this title. Reception is positive with high store ratings and zero controversies, backlash, or 'woke' complaints across searches, confirming its status as unadulterated classic entertainment focused solely on challenging gameplay and cinematic ninja storytelling.