C193 a trick of the princess

Hearing that his brother had agreed, Liu Feng was overjoyed: "Big brother, say it, as long as you agree, I will agree to any condition."

Liu Changfeng said: "I need you to promise to focus on your cultivation in the future, and increase your strength as fast as possible. It must also match your current rank, can you do it?"

Without even thinking about it, Liu Feng said: "Big brother