DRIVE DEVICE AND BOOT

Provided is a drive device for opening and closing opening/closing body supported by vehicle body in an openable and closable manner. The drive device includes drive device main body and boot Drive device main body is connected to vehicle body and opening/closing body and telescopic. A wire extending from drive device main body passes through the inside of boot including boot main body and fitting part Fitting part is disposed at the end of boot main body fits to boot attachment part of drive device main body and includes flat surface part configured to contact drive device main body when fitting part rotates relative to drive device main body