Reserve a session or send a question

We reply to form submissions within one business day. For urgent session changes, call during office hours (Mon–Sat, 10:00–18:00 KST).

Visit us

412-8,Seongnae-dong,Gangdong-gu,Seoul
South Korea

Phone

+82-2-485-7216

Email

hello@corestreambase.click

Response time

Session booking requests: within 24 hours on business days.
General guide questions: 1–2 business days.
We do not provide live chat or same-day mainnet support.