夏色姉妹 ~幼馴染と真夏のヒメゴト~
* "Natsuiro Shimai ~Osananajimi to Manatsu no Himegoto~":http://www.crg-a.com/game_title/natuirosimai/home.html Homepage

* "Natsuiro Shimai ~Osananajimi to Manatsu no Himegoto~":https://vndb.org/v22380 on vndb.org
natsuiro shimai ~osananajimi to manatsu no himegoto~