This is actually not a parody of Outlanders but of another different Jouji Manabe book; not sure which since a ton of his books are not translated. The main character from Outlanders only appears on that one comment page (on page 80). It's kinda awesome that the guy does porn of his own stories.

Base +5

Cover Artist: Not listed

005 Sawaki (さわき) (サワキ)
032 Saionjionji Yuriko (西園寺園寺百合子)
048 Kenkichi (けんきち)
067 Manabe Jouji (真鍋譲治)
081 Manabe Jouji (真鍋譲治)
103 Nakajima Katsuya (中島克椰)
121 Tsuzuki Masaki (都築真紀) (ツヅキマサキ)

Source -http://www.suruga-ya.jp/kaitori_detail/XA3122

Thank you, Floripes for sharing

Base +37

https://www.doujinshi.org/book/1616431/Doujin-Anthology-Bishoujo-Gumi-1/

Base +13