This is the building of AH Laboratory & Co., which Moon Ha-won (Jung Hae-in) runs, in A Piece of Your Mind/Half of a Half (반의 반) (tvN, 2020). In episode 3, Han Seo-woo (Chae Soo-bin) dashes in here to seek shelter from the rain, and connects the dots as to what Ha-won actually does.
The Nexen UniverCity [더넥센유니버시티] — opened officially on 30 April 2019 by tire manufacturing company Nexen Tire — serves as its central research and development facility. This award-winning building, whose lobby features a 30m x 7m LED ‘Infinity Wall’ as seen in A Piece of Your Mind, is located in Seoul’s neighborhood of Magok [Magok-dong/마곡동] in the Gangseo District [Gangseo-gu/강서구].
177 Magokjungang-ro, Magok-dong, Gangseo-gu, Seoul, South Korea
서울 강서구 마곡중앙로 177
Geolocation: 37.570084, 126.827899
Magoknaru Station (마곡나루역), Seoul Subway Line 9, Exit 2
(5 min. walk)
— submitted by Mich KDL