Without more specific details, it's challenging to provide direct information on "Shinseiki no Ko to O-Tomari 3". If you can provide more context or details about what you're looking for (e.g., plot summary, where to watch, merchandise), I might offer more targeted advice.
The series generally revolves around a protagonist who spends time at a relative's house, leading to intimate encounters with family members (often cousins or aunts). "Exclusive" Volume 3 Content: shinseki no ko to o tomari 3 exclusive