They rushed the ending... preferred the first version but there isn’t ch.6
There are two version. the first one 1, 2, 3, 4, 5 is released in magazine. But after sometime, the mangaka decided to release it on a full volume (tankoubon) and the story was rewritten. That's why after chapter 5, it stopped abruptly. The new vol is red 1, 2, 3.1, 4.1, 5.1, 6.1 (End).
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