I got the new single a few days ago. Desuma Spring is a nice enough song, but if the "death" guitars get mixed any lower they might as well leave them out entirely. I'm not sure what to make of I LOVE MEN. It has a good chorus melody, but Bucho sounds more and more out of place in Desu.rabbits songs, this one being a perfect example. Overall, this is an average single. I like it, but it isn't overly memorable. I don't think it will help grow their audience any.
On the other hand, Karin is really blossoming this year: