User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-39.50.16.4-20180607180038/@comment-28884330-20180607215401

As far of what has happened in Slash Dog Tobio has slept with Lavinia (Volume 1), Natsume (Volume 2) and Sae (when they were children). No sex was involved, though at the respective time Lavinia was dressed only in a shirt.