Kareshi no Uwaki Genba de Motokare to!?

She finds her boyfriend cheating, and at the same spot her ex shows up out of nowhere!! Her harmonious lovey-dovey life with a popular photographer is suddenly overturned, and she's knocked down to her lowest rock bottom ever - what will become of Mahiru now!? Truth and lies become entangled as this complicated four-way affair begins... (Source: Manga Plaza)