Run, Hyangro! 4-Hour Complete Viewing Challenge with 'Inflab CTO'

Hyangnro, this time it's a marathon! (Drumroll!) For those who register: 25% discount coupon for all courses + access to 4-hour study-together channel + fun live session with Inflab CTO Hyangnro! For those who complete the course: learning endurance prize (raffle) + participation fee refund!