Rin Wada is 29 years old. She has a challenging job and a kind boyfriend with whom she has been living together for 5 years, and she thought she was having a fulfilling life... but one day she comes home to find her boyfriend, Oharu, in bed with a woman..! Rin runs away from home and returns to the office, where she is gently helped by Haruto, the handsome but womanizing son of the company president. Haruto's kindness made Rin feel at ease, but then he suddenly kissed her and said, "Won't you go out with me? The love battle between the floral coordinator, Buto, and the handsome president's son begins! 和田凛、29歳。やりがいのある仕事に5年も同棲している優しい彼氏と、充実した日々をすごしていた──はずだったのに、ある日家に帰ると、彼氏・大晴が女とベッドに…！家を飛び出し会社に戻った凛に優しく手を差し伸べてくれたのは、イケメンだけど女癖が悪くて苦手な社長の息子・春人だった。春人の優しさにホロっと来たのもつかの間、「俺とつきあわない？」と、突然キスしてきて──!?フラワーコーディネーター・凜×イケメン社長令息のラブバトル開戦!!