The development won't stop, the released demos/updates on ci-en will though, but there should be 2 more before he stops (last one should be on september), after that there won't be more demos until release. Game is close to be finished so the dev feels like updates after september won't be worth paying for. (I imagine this means that september should have the last ero update and the rest of development will be finishing story,polishing details,etc.)
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