左が「OVA ToHeart2」、右が「OVA ToHeart2ad」(C)2007 AQUAPLUS/TH2V Works (C)2008 AQUAPLUS/TH2Vad Works (C)2009 AQUAPLUS/TH2Vad Works (C)2010 AQUAPLUS/TH2Vad Works (C)2012 AQUAPLUS/TH2DT Works