NOTE: You can find all of my uploaded works including my fjorded/expunged stuff from Ex at my blog here: https://bsnscans.home.blog I will update it with every new release, including new loli/shota content.
NOTE 2: Unfortunately Part 3 is sold out everywhere and no scans of it exist, but Kojima will be releasing a compilation book of Part 3 and Part 4 at the next Comiket in May.