Yep! A manga about cosplaying traps!

Reimu-san-tachi Hoka no Ero Trap Dungeon

(C88) [TRAP (Urano Mami)] Totsugeki! Tonari no Love Liver - Attack on Love Liver (Love Live!)

(C43) [TRAP, P.P.P.P.C (Urano Mami, Matsuzaka Reia)] Kangethu Hien Vol. 2 (Bishoujo Senshi Sailor Moon)

(C40) [T2 Unit (Franken N)] URIHO DELUX (NG Knight Lamune & 40, Trapp Family Story, Obake no Holly)

(C93) [TRAP (Urano Mami)] Hirahira (Cardcaptor Sakura)

(C74) [TRAP (Urano Mami)] Oumagatoki (Higurashi no Naku Koro ni)

2D Comic Magazine Zecchou Kairaku ga Tomaranai Ero-Trap Dungeon Vol. 3

(C45) [TRAP (Urano Mami)] Tsukiyo no Tawamure 5 (Bishoujo Senshi Sailor Moon)

(C43) [TRAP (Urano Mami)] Tsukiyo no Tawamure (Bishoujo Senshi Sailor Moon)