Same hearing impaired lead character, good soundtrack from Mr. Children's "Sign". You will learn some sign language here.

In the same universe of Tsukasa Hojo's City Hunter, albeit alternate one. Thence the cafe run by Omibozu

It was the first movie adapted from Tsukasa Hojo's manga. Very comic approach with kung-fu taste of Jackie

Step-brother sister relationship, how the sister like the step-brother and mutual consent was developed