An earlier published version of this:
/g/12040/2b517cb754/
Two different things.

http://www.doujinshi.org/book/311674/Under-Blue-1.05C/

Base +25

/g/345029/a428647d7a/: Under Blue
/g/1824852/6afbe6c0c0: Under Blue 1.05
/g/12040/2b517cb754/: Under Blue 1.07C

Under Blue: https://www.suruga-ya.jp/product/detail/ZHOA24037
Under Blue 1.05c: https://www.suruga-ya.jp/product/detail/ZHOA1642
Under Blue 1.07c: https://www.suruga-ya.jp/product/detail/ZHOA17661

Base +42

https://www.doujinshi.org/book/1812049/UNDER-BLUE/

Base +13