what is the email to contact the devs and how many hours/chapters is the game?

I love this game and its story . I'd be happy to pay for it，but such transplantation may be criticized on steam.I want to share this game to let more people knowing it and hope author can do more to improve and make more people accept. Finally, thank you for bringing Chinese....

You can recall memories of extra chapter after you clear it. However, recalling "Situations" causes stuck, and you can only end the game. (In Japanese) 「おまけ」のクリア後はおまけの記憶を回想できますが、 「試練」を回想すると操作不能になり、終了するしかなくなります。 (追伸) 素敵なゲームをありがとうございました。 せっかくだからおまけも正しく回想できると嬉しいです。...

Man, Akizuki seems to be so hard to beat, how do I do this? Also, is there literally no save point in this game? I really enjoy it but if I have to start the game from the very beginning after each death, I guess I will never make it... Please correct me if I'm wrong, but is it true there are no saves? :(...

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