Original Title: 理由ありの恋人たち
Romaji: Wake ari no Koibito-tachi
Released Date: 2006-03-18
Company, Producer: Soft Circle Courreges
Getchu link: http://www.getchu.com/soft.phtml?id=705332&gc=gc
English DLsite link: https://www.dlsite.com/ecchi-eng/work/=/product_id/RE036074.html
VNDB link...