Post-War Girl Detective

After the end of the world war, Toyokawa Heinosuke, who lost his parents, was struggling to live in Hanabei on Nanshu Island. Unexpectedly, he met the dignified Yamato Nadeshiko Yumeno Sumika, who was born in the family. Unlike her appearance, Chengxia has an extremely sharp mind. She performed well in a case and successfully deduced the murderer. Toyokawa Heinosuke, who was accidentally involved in the case, has since become Chengxia's companion and "assistant". The story of the post-war girl detective begins...