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Your voice
shapes Japan.

Join Seron and experience Japan's best restaurants, salons, and cultural spots — completely free. All we ask is your honest opinion.

Register with LINE — 30 sec 100% free · No SNS posting required
100+ Active Members
30+ Partner Companies
0円 Cost to Join
Why Join Seron?

Free experiences.
Zero hassle.

Seron removes every barrier. No cost, no social media pressure — just real experiences and your honest voice.

Free dining experience
01

Completely free

Meals, beauty treatments, cultural experiences — all costs are covered by Seron. You pay nothing.

Simple survey
02

No SNS posting

Forget Instagram obligations. Just fill in a short survey after your experience. That's it.

How it Works

4 steps. 30 seconds to start.

01

Register via LINE

Sign up in 30 seconds using your LINE account. No forms, no complications.

02

Get invited to experiences

We'll send you LINE messages when monitor opportunities matching your area are available.

03

Enjoy for free

Visit the restaurant, salon, or event and enjoy the experience at zero cost to you.

04

Share your opinion

Complete a short survey in your own language. Your feedback helps Japanese businesses improve.

Member Voices

What members are saying

"
★★★★★

I tried an incredible omakase restaurant for free. The survey took 10 minutes and the staff were amazing. I've told all my friends about Seron.

Sarah
Sarah M.
🇬🇧 UK · Osaka
"
★★★★★

The head spa was incredible. I never would have found it on my own. Seron is the best way to discover hidden gems in Japan as a foreigner.

Carlos
Carlos R.
🇧🇷 Brazil · Tokyo
"
★★★★☆

Signing up via LINE was super easy. I've done 3 monitors and each one was a unique experience. My opinions actually felt valued.

Mei
Mei L.
🇨🇳 China · Osaka
Coverage

Where we operate

🗼
Tokyo
5 open now
Active
🏙️
Osaka
12 open now
Active
⛩️
Kyoto
Coming soon
Soon
🌿
Nagoya
Coming soon
Soon
FAQ

Common questions

Yes — 100% free. Seron covers all experience costs. You never pay anything.

No. We only ask you to complete a short survey after your experience. No Instagram, no social media — ever.

No specific residence status is required. Since no payment is involved, Seron is open to all foreigners living in Japan.

Any language you're comfortable with. You don't need to write in Japanese.

Any foreigner aged 18 or over who is currently living in Japan, regardless of nationality.

Yes. All personal data is handled in accordance with Japanese privacy law. We never sell your data.

Ready to explore Japan
for free?

Join 100+ members already discovering Japan through Seron.

Register with LINE — 30 sec