(^ Click to Enlarge) They’re making a sequel to Tsuriotsu called Otome Riron to Sono Shuuhen or 乙女理論とその周辺, it says game takes place in Bari, a city in Italy. There are 2 new heroines. Story focused on more quarrels within the family. ^ That orange girl and the blonde girl on the left page are supposed to be the new heroines (I know you can’t tell). Also, at last you can fuck the sister, Risona. Congratz.
About the author
Doing some fan translations for a game called Mashiro iro no Symphony (http://fuwanovel.org/novels/169) and sometimes fansubber. Works at Fuwanovel.org a site for sharing translated Japanese visual novels.