Perfectly You has both Gikwang and Yoseob as the main protagonists.

So Sweet So Simple has both of them as well.

Y • Y • Y has only Yoseob as the main protagonist from BEAST, along with Yesung and Yonghwa.

ღ 8.3.1 ღ has Yoseob as the only male protagonist.

Ice ♥ Cream has Gikwang as the male protagonist.

Hope you will love both of them. ^^