You people disgust me. Best OP of the season goes obviously to Occultic9
https://www.youtube.com/watch?v=qBJjilskp-M
Other nice ones are Buranki
Takkyuu Musume is also pretty cool
https://www.youtube.com/watch?v=9LDe0g0A1Tk
Flip Fappers OP is also pretty nice but ZAQ really doesn't fit the series at all.
https://www.youtube.com/watch?v=iJBbprAetf0
If you demand respect or gratitude for your volunteer work, you're doing volunteering wrong.