It is revealed in the official site that she has a special skill in shopping and that her favorite food is the goumi and she dislikes watermelon. The site also mentions that her favorite musicians are Kurt Cobain and Brody Dalle. Halca played guitar in her previous band.
After a few months of High and Mighty Color's disbandment, Halca (guitar/clean vocals) formed a new band called SYN with other bandmates, Tony (guitar/piano), Kenjiro (drums), Matsumoto (bass) and Gunji (scream vocals), but the band later disbanded. Halca is still a close friend with Yusuke (ex-High and Mighty Color) and sometimes do music cover with Tony. Halca is now with her band Tokyo Distillers along with Yu-suke (Rad Rat guitarist), Chi-x (Rat Rat/Ultra Buzz bassist) and Keiichiro (Rad Rat drummer).