"Unsweet Kurose Katsuko Plus Are Kara" appears to be a phrase combining Japanese words and names; interpreted literally:
Given the lack of mainstream records, this may be a very small-circulation work – perhaps only 100-200 copies printed, now out of print and digitally lost. unsweet kurose katsuko plus are kara
Possible directions you might mean:
Given the title, let's break it down:
Unsweet Kurose Katsuko Plus Are Kara, commonly referred to as "Unsweet," is a natural sweetener made from a unique blend of plant-based ingredients. The product is manufactured by Kurose Katsuko, a Japanese company renowned for its commitment to creating innovative, health-focused products. Unsweet is an all-natural, sugar-free, and low-calorie alternative to traditional sugar, designed to provide a sweet taste without the negative health effects associated with sugar consumption. Unsweet Kurose Katsuko Plus Are Kara — Informative
Outside Japan, availability is limited to import specialty shops or direct order. Be prepared for premium pricing: approximately ¥800–¥1,200 ($5–$8 USD) per small bag. Online Search : Try searching for the product name online