This appears to be a third installment which follows after this doujin: (COMIC1☆13) [G-SCAN CORP. (Satou Chagashi)] Saenai Kanojo-tachi no Rinri Shinsakai b (Saenai Heroine no Sodatekata).
Once again, this installment, for whatever reasons, was either not translated or made publicly available to date, ..... until now. Again, thanks to Tigoris Translates (www.tigoristranslates.com) for doing the translation, under commission by myself).
Just like its predecessors, its contents can be summed up by the following statement: "Tomoya, you Lucky Bastard!"