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Japanese terminology compared
Incall, outcall and business formats
Deriheru: meaning and spelling
Business categories and legal limits
Shinjuku history and cultural contextTokyo and Shinjuku
Accommodation culture
District guides and word meanings
Explore specific local questions and a focused explanation of the word soapland. These guides complement the topic index above.
Latest articles and personal accounts
Browse the latest posts below, or use the topic index above to start with a specific question. Terminology guides, district explanations and personal accounts serve different purposes. Read each article’s sources and context when comparing them.
Soaplands in Japan: What They Are and Why They Confuse Foreign Visitors
Soapland is an adult bathhouse format, not an onsen, spa or delivery-health service. Understand the…
Nakasu After Dark: Fukuoka’s Adult Nightlife Beyond the Yatai
Nakasu’s yatai, drinking venues and adult-industry categories are different subjects. Understand Fukuoka, Hakata, Tenjin and…
Susukino After Dark: Soaplands, Delivery Health and Sapporo’s Adult Nightlife
Susukino is a district within Sapporo, not all of Hokkaido. Understand soapland, delivery-health and nightlife…

Tokyo nightlife areas compared
Shinjuku and Kabukicho areas
How a love hotel stay works
Rest, overnight and room charges
Love hotel etiquette
Tokyo hotel areas and visitor questions
Tokyo adult-industry geography
Yoshiwara: history and place names
Shibuya: Dogenzaka and Maruyamacho
Ikebukuro: station sides and terms
Osaka: Kita, Minami and formats
Kyoto: Gion, Kiyamachi and Shiga
Susukino: Sapporo and industry terms
Nakasu: Fukuoka beyond the yatai