Make Heroine ga Oosugiru!

Plain, boring, and friendless Kazuhiko Nukumizu has witnessed something completely baffling: popular girl Anna Yanami was friend-zoned by her childhood friend and crush! In fact, all the popular girls around him are getting similarly rejected by the boys they like. Without realizing it, Kazuhiko becomes entangled in the relationship drama where all the leading heroines are losing out on love! Can he keep their spirits up and help them find happiness?

(Source: Seven Seas Entertainment)