I read up on Mitsuami using Google Translate and DeepL over the years, and here's what I know

- "Mitsuami" is a pseudonym, and literally means "three-stranded braid" in Japanese

- She is based either in Osaka city or Hyogo prefecture (based on her recent Fantia posts)

- Officially, prostitution is illegal in Japan, but she used to work as an escort or call girl for a now-defunct agency called Maniacs/Maniax (?); the website used to have photos of her dressed, naked and/or in bondage

- I once came across an interesting review on a forum by a Taiwanese sex tourist about Mitsuami. The tourist originally went to Osaka to look for a highly-recommended short-haired call girl, but as she was unavailable that day, the madam recommended Mitsuami instead (Apparently the madam usually didn't like offering her girls to non-Japanese johns, but made an exception for the Taiwanese guy because he spoke good Japanese and didn't look too "rough" and "uncultured" like the Chinese). Mitsuami first took the tourist for a light lunch, then to the love hotel where they showered together (at Mitsuami's insistence) before they had their "happy time". The tourist wasn't a hair fetishist, but did note that Mitsuami liked (or didn't mind) having her hair grabbed/pulled during sex. Afterwards, they spent some time talking about her hair, and Mitsuami undid her eponymous braid for him to take hair photos. (I can no longer find the original forum post or the photos)

- She starred in a number of videos produced by Virgin Hair Fetish japan (https://adult.contents.fc2.com/users/virgin_longhair/), including the one Longhairlust is asking about

- She went on hiatus for a while due to an unspecified illness requiring surgery

- She used to go by @mitsuami_mania on Twitter, but has since deleted her account for reasons that I will explain shortly

- She retired from porn because her family found out and disapproved of her job

- She is now a NEET, and has a Fantia account with softcore hair fetish content at fantia.jp/fanclubs/71209