Top 1 Fighting Tutoring is a Manga/Manhwa/Manhua in english language, Martial Arts series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

The bullied loser Kim Jaehyuk receives 'Top 1 Fighting Tutoring'! Kim Jaehyuk is a high school student who has been living in despair under the torment of bullies. He's good at studying, but he'd rather be good at fighting. Then, as if by fate, a 'fighting tutor' comes into his life!