As expected, Sonico wasn’t subjected to any sex scenes in her appearance in the Taimanin RPGX PC game.
The other Taimanin ninja girls were, of course, still involved in plenty of lewd scenes, but Sonico was mostly there as a backstory to the event. She did, however, wear ninja attire similar to that of the Taimnain girls, while they also wore Sonico’s outfits during some sex scenes.
Perhaps the lewdest image of Sonico to come from the collaboration event was this illustration done by one of the Nitroplus artists:
Here are some screenshots from the Sonico and Taimanin RPG collaboration event: