As far as I can tell, Apple Box Create only did 4 volumes, there is no 5th. Which is a shame since there is a 4th story arc called "mystery of the blue candle" that'll never get reprinted.
I hope this doesn't come across the wrong way, but your translation had many grammatical errors, I know English isn't your first language, so I hope by the time you continue, you either get better with English grammar or get a proofreader. Regardless, thank you for putting in all the work you...