Author name: Naoki

Founder of Rental Japanese / Tokyo-based Guided 500+ guests from more than 30 countries. Specializes in customized private tours, local bar hopping, onsen experiences, and flexible Tokyo day trips with English support. All information in this article is based on real on-the-ground guiding experience in Tokyo.

Japan tips, Onsen

Sento Shinjuku: An Authentic Local Public Bath in Tokyo

Japan tips, Onsen / Naoki

Discover Mannenyu, an authentic tattoo-friendly sento in Shinjuku near Shin-Okubo. Learn about its baths, prices, opening hours, etiquette, access, and what first-time visitors should expect.

Japan tips

What Is Iekei Ramen? A Complete Guide – Yokohama-Style Ramen

Japan tips / Naoki

Learn what makes Iekei ramen unique, how locals order and eat it, and where to find recommended shops in Yokohama, Tokyo, Osaka, and Kyoto.

Japan tips, Private tour

Rent a Friend Japan: Explore Japan with a Local Japanese

Japan tips, Private tour / Naoki

Explore Japan with a friendly local through a flexible rent-a-friend experience. Learn how the service works, what it costs, how to choose a reliable provider, and whether it suits your travel style.