…what was happening at the pubcrawl back in 2017?

so here’s something I’ve wondered about the last 8 years:

I (m25 at that time, very caucasian) visited Tokyo back in 2017 and decided to join a pubcrawl. At first it was mostly westerners, when at some point the place we were at started to fill up with Asians, mostly women and (by the looks of it) mostly Malay, Indonesian or Chinese, not Japanese. I was flirting with a Chinese woman when suddenly an American guy approached me and went like „yo bro your chick is cute as hell!“. I was like „she’s not really my type, but she’s nice anyway so I’ll probably go home with her.“.

He then asked me to point at any woman in the crowd that I liked and I did point to a Malaysian woman who was tall, beautiful and way out of my league. He approached her, talked to her and then guided her to me. He then left. She then started hitting on me aggressively, like touching me all over and trying to kiss me.

The Chinese lady intervened and and started flirting with me very aggressively as well, physically pulling me away from
The Malay woman. We ended up spending the night together (Vivien, I still think about you!) and I left in the morning, all my organs intact and passport still on me.

All in all, I have the feeling that everyone there (including me) was super horny. I usually don’t have a problem finding a woman, I’m reasonably handsome, rather athletic and rather tall. But this was something I’d never experienced before or after. Not even mentioning the Caucasian women I’ve been flirting with…

So here are my questions:

1) Is it a possibility that this American guy was some sort of pimp trying to hook me up with a prostitute (the Malaysian woman)?

2) Are the bars hosting such events known to spike their drinks with GHB so that people drink more and hook up more?