Help to find the novel name

[Sesi]

“Read as a book around 2000–2006. Hero had love failure before heroine enters. Heroine comes to stay in hero’s house. Hero has a younger brother; hero misunderstands that heroine loves his younger brother. One scene: heroine finds a beautiful photo of a woman in the store room, placed in the hall because it looks nice, hero sees it and gets very angry as its his ex-lover phot. Please help with novel name/author. I don't know the name of the hero & heroine. can you please help me to find the novel name”