J-STAR, a mid-market player in the Japanese private equity market, has acquired Kurashino, a content creation firm, 1K, a lifestyle media publisher, and CRAFTA, a user behavior analyst. Financial terms were not disclosed. J-STAR will combine the three companies’ strengths – strong contents creation by Kurashino, solid media management infrastructure by CRAFTA, and 1k’s media brand – into an acquisition platform for the sector. “By pursuing synergies and growth strategies including additional acquisitions, we will help the target group continue to contribute to fulfilling and enjoyable lives for their users,” J-STAR said.