Ayakashi Triangle manga volume 11 features story and art by Kentaro Yabuki.

Matsuri and Suzu arrive at a beach that's seen a declining number of visitors due to a mysterious presence. Now that Suzu's realized she likes Matsuri in his girl form, will she be able to suppress the excitement she feels at getting to see him in a swimsuit? And will it distract her from their true mission—to find whoever's causing mayhem at the beach?