The Onelove series from VENUS, also Love Sexlife from the same studio. Marriage Blue by Lune TEam Bitters, while primarily fiancee NTR, does have a couple ontopic scenes. The 4 sister AV games from Atelier Sakura.
Venus made a few like One Love, One Love Recover, and at least one other title. Atelier Sakura made four games that have MC's big sister doing AV, and one game that has MC and his gf (also his cousin) swap with another couple (Swapping Party).
I'm waiting on vol 3 of Haruharudo's karate girl doujin. Vol 1 got me hopeful. I thought it had the right pace and a good setup. Vol 2 failed to deliver imo. Her degeneration should've escalated more than it did, given the author's plan to conclude the story in the next installment. We're now >6...
Your post made me curious about the author so I bought RJ284145 and let me just say even for the low price I'm disappointed. The set is essentially 17 variations of the same pic, and all of it is softcore :eek::eek::confused:. Each character has a single pose (refer to the sample pics). The only...