Congrats - you'll have a blast!! I only got to attend 2 lives during my time in Japan, but there were 8 acts at the second live so I felt like a got at least a solid taste.
Out of everyone I saw, I would argue the gulu gulu and MAMIRETA are absolute must-sees. Extremely high energy and fun from start to finish.
I would also include DIMLIM in this sentiment, but I don't know how they've been since losing 2 members so I can't confidently say either way. They were great when I saw them, though - very emotive, raw performance, especially compared to many of the other bands that played.
Past that, Hueye and MonstlloW impressed me a lot for newer bands so if you happen to catch them at a live you won't be disappointed.
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