Yes it’s BL. The main couple the main characters are together now. There’s no real side couples but one of the characters Chanil who was the main character’s (Skylars) former crush is now dating a girl. This was set up but other other main character Cirrus so Skylar can get over or give up on liking Chanil (so manipulative I know) and it worked. Long story short it’s more plot than romance. Hope this clears things up.

Is this BL? I see that Shonen ai tag but there's comments talking about hetero couples and I'm not sure anymore? Like does it have a main couple that get together and fall in love or is it full on school life/drama with some BL undertones