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honestly the title translation seems off to me. not only is it a different tense but it also is even worse because putting it that way in English where "isn't laughing" is implies a contrasting mood to them being pissed off. the JP title is trying to convey how expressionless she is and she isn't angry at all. I did compare some of the pages and it seemed like a good translation otherwise just the title seems off. "Doesn't Laugh" would make more sense. It still is a slightly strange title but it doesn't have a different meaning altogether
The current title seems more like it would be the title of a femdom work.