Yoon San-ha of ASTRO (under Fantagio) held his third small-theater concert titled 'YOON SAN-HA : SANiGHT Project #3 - Promise' on the 21st at ECC Samsung Hall at Ewha Womans University in Seoul's Seodaemun-gu, achieving a complete sellout for three consecutive years. Following the 2024 'Wish' and 2025 'Meeting' installments, this concert was designed to connect with his music content 'SANiGHT' and celebrate his commitment to fans. Opening with a calm arrangement of '6PM (Nobody's Business)' from his second solo mini album 'CHAMELEON', Yoon San-ha presented diverse musical genres including ballads, pop, and acoustic sounds. Songs like 'Popcorn', 'DAISIES', 'Sorry, I Hate You, I Love You', and 'If You Ask Me What Love Is' were reinterpreted through his soft and appealing vocal tone, with previously revealed 'SANiGHT' content songs resonating particularly strongly with audiences. The first performance was streamed online, allowing global fans to participate, and the concert provided an opportunity for Yoon San-ha to reflect on past promises and make new commitments with his fanbase.