I get the feeling you're already familiar with my favorite anime OP
I'm just gonna copy and paste my comment from last time I answered this question on a forum. Most of these are just because they're good songs that make the good chemicals go in my brain. Like, they're the songs I throw on my playlist and listen to while I'm driving.
The Beastars season 2 opener got stuck in my head big time. I wasn’t really into the j-pop scene yet at that point at this was kinda my gateway drug. https://youtu.be/-5M4lbEpn6c?si=J3DcHv1VVViZ8sw3