https://www.dlsite.com/books/work/=/product_id/BJ113376.html
https://www.dlsite.com/books/work/=/product_id/BJ113377.html
As always, please support the artist and buy his works.

Marriage Blue

After a pure, platonic romance, Masaharu Asao finally decides to marry Sayaka Kudō.
Their wedding is set to take place at a venue where Masaharu’s older sister, Misato Asao, and his university senior, Ryūji Kaneko, both work as wedding planners.
Despite being busy with wedding preparations and work, Masaharu finds happiness in Sayaka’s support and looks forward to their future together.
As he throws himself into his work, he worries about his fiancée attending the wedding meeting alone. But for the sake of their bright future, he remains focused on his responsibilities.
However, at that very moment, in a dimly lit room bathed in an erotic glow, the slick, glistening manhood of the rugged Ryūji carves unforgettable pleasure into Sayaka’s writhing, seductive body…

Original Visual Novel:
https://e-hentai.org/g/467852/0e8c033ebd/
https://e-hentai.org/g/1317830/18ca0d8742/

http://www.getchu.com/soft.phtml?id=723256
https://dlsoft.dmm.co.jp/en/detail/mgold_0063/?utm_medium=dmm_affiliate&utm_source=egsa-001
http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=16206
https://vndb.org/v9644

OVA Screenshots: https://e-hentai.org/g/574877/58a3ca918c/
OVA ANIME: https://hanime.tv/hentai-videos/marriage-blue?r=%2Fsearch

OVA ANIME SYNOPSIS:
Masaharu and his fiancée Sayaka are preparing for their wedding. Masaharu's sister Misato is taking care of the planning and preparations together with her lover Kaneko Ryuuji whom they have known since college. Everything seems to be going fine, however Ryuji takes an interest in Sayaka after seeing her in her wedding dress. When Masaharu is busy and unable to attend one of their meetings due to work Ryuji takes advantage of his absence and begins to make Sayaka his...

Man, couldn't they have made a comic out of the CGs? The OVA was downright awful. It barely had any of the good stuff from the game itself.

Base +9, owch +6, Spooky Ghost Butts +9

一个动画你翻来覆去出漫画有啥劲啊，你倒是把后面的内容做一部新里番出来啊

Base +6, xinlin14 +3