At age 17, Nana still doesn't have a boyfriend. One day, she went to the beach and met with a cool guy. They exchanged numbers and texted but the cool guy turns out to be her younger brother's friend who's 5 years younger?!

Romance Shoujo Comedy Video GamesInexperienced In LoveOlder Female Younger MaleFirst LoveYounger BrotherOlder Female LeadBeach

Boy & Cool

Details

StatusCompleted

FormatManga

Content ratingSafeSafe

Chapters3

LanguageJapanese → Polish

Source

On Kagane sinceJun 24, 2026

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