Aside from the redrawn cover, no other new content to this book. It is more of a fixed version according to the artist, with changes to some of Mai's facial expressions and touched up some details here and there.

https://www.pixiv.net/en/artworks/97884180

You can compare it the other galleries already uploaded if you'd like:
Original Digital
Scan
English TL

Also, do support the artist if you can.

http://www.dlsite.com/maniax/work/=/product_id/RJ092879
http://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_086835/

Can someone make a torrent of this?

Base +6