I think this single is pretty great overall so far. 100 times better than the trash that was the last single. The girls singing is pretty on point and I was worried about that. Umaku Ienai's seems a little weird. I don't understand the PV and it's connection to the song.
I'm interested to see Wasurete Ageru since I've stayed away from it. It'll be a nice surprise when they preview the MV.