News provider Startup Dating said FreakOut founder Yuzuru Honda previously launched a content-matching ad platform called Brainer, which he sold to Yahoo Japan in 2008.
FreakOut, a Japan-based online advertising company, has raised Y500m ($5.3m) in its series B round from YJ Capital, the corporate venturing unit of local joint venture Yahoo Japan.
Last year, two venture capital firms invested Y350m in FreakOut, which was founded in 2010.
News provider Japanese Venture News said the valuation post-money was Y10.3bn and added: “Considering its [YJ Capital’s] fund size, Y1bn, which was established in last September, the deal for FreakOut is very huge. YJ Capital may set…