Blue Flame is a Manga/Manhwa/Manhua in (English/Raw) language, Manhwa series, english chapters have been translated and you can read them here. You are reading Blue Flame chapters on https://mangabtt.com, fastest updating comic site. The Summary is
Mungaya' who suffered from childhood trauma. At the newly transferred school, he meets Cha Ae-ri, the perfect model student and the beloved queen. Gaya gradually falls in love with her dangerous and beautiful woman, and something inside that has been suppressed begins to awaken. 'Can we be free in this hell?'