Giselle, left, of K-pop girl group aespa and Japanese producer Shintaro Yasuda / Xportsnews, captured from Giselle's social media

Giselle of K-pop girl group aespa posted a photo with producer and songwriter Shintaro Yasuda on Saturday, reviving dating rumors from May.

She shared the photo on social media showing the pair wearing helmets and masks obscuring their faces. Giselle captioned the photo "Hbd" — an acronym for happy birthday — with a black heart emoji.

Yasuda has produced for K-pop acts including STAYC, Yuju and Le Sserafim. He co-wrote and produced Giselle's solo songs "Dopamine" and "Tornado."

Ningning, left, and Giselle of K-pop girlband aespa / Xportsnews