Did Eun Woo-Jungkook meet at a cafe?

Jungkook enlisted with Jimin, and before his military training, he met SEVENTEEN's Mingyu for a drink. Fans now speculate that Jungkook also met ASTRO's Cha Eun Woo. During a live stream, Jungkook revealed that Cha Eun Woo gave him a letter and a military watch. Fans believe they met at a restaurant in Gangnam, based on a fan's...