MMCHEMustardmustache
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Mustardmustache

Company Contact

Contact information for Mustardmustache, partnerships, and press.

Effective: 2026-07-27Last revised: 2026-07-27

Email hello@mmche.studio for company matters. Use the separate Nesecu Support page for help with the app.

This document reflects the services and platform behavior currently provided.

What to contact us about

We accept company, partnership, licensing, press, and general studio enquiries. Questions about app downloads, photos, ads, purchases, or data deletion belong on Nesecu Support.

What to include

Include a reply address, organization if relevant, the purpose of the enquiry, and any deadline. Do not send government identifiers, payment data, passwords, original photos of pets or children, or unnecessary sensitive information.

Retention and deletion

Ordinary enquiries are kept for one year after closure. Contract, purchase, refund, or dispute records are kept for three years unless law requires longer. You may request access or deletion through the same email address.

Product support

For Nesecu, send only the platform, device, operating system, app version, and reproduction steps. Original photos and sensitive information are not needed.

Privacy contact

Data controller
Mustardmustache
Privacy contact
Mustardmustache Privacy Team
Business address
2F, Unit 4, 78 Saeun-ro, Giheung-gu, Yongin-si, Gyeonggi-do 17079, Republic of Korea