I was wondering what was up with this series. I see that the Light Novel and Manga were both picked up by Yen Press.s Glad to see that they are willing to license great new series like this.
@MarqFJA87 As far as I can tell, it is phrased ambiguously. The original line is「でもこれのおかげで苦しくはありません!」
I think she's saying that at least the shadow of the penis isn't hard, and also saying because of this it won't be difficult for Tansho's feelings.
By the way, it appears that the little Alien's appearance is based on a Sea Angel, same as Manatsu learns about in the omake. https://en.wikipedia.org/wiki/Sea_angel
@Shinder The original translator decided to stop and removed their translations of their own volition, not at the request of the author as far as I'm aware.