Junk Rank Family is a Manga/Manhwa/Manhua in english language, Seinen 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 manga is a crossover with the OREN’S manga, which artist Yanse Kazu and Takahashi launched in September 2015 in Akita Shoten’s Bessatsu Young Champion magazine.