Nani Sore Ai ka yo

Two straight guys, completely off each other's radar as potential romantic interests. Yet somehow, they became the first person the other thought of—every single time. Yoshida, a florist, and Iida, who works for a big company, meet through their mutual friend, Ao. Initially, they see each other as sharp-tongued and cunning—people you can't easily trust. But when Yoshida proposes a partnership to co-manage the flower shop, the "most formidable duo" is born. From bitter rivals to reliable partners, and then, somewhere along the way...

(Source: Printemps Shuppan, translated)