Dlsite: https://www.dlsite.com/maniax/work/=/product_id/RJ415141.html

Pretty rare for a doujin to make a normal parasite where it doesn't have mind-control or personality changing bullshit. Even The Chiba Tetsutarou shies away from this niche lol

Chapter 2: https://www.dlsite.com/maniax/work/=/product_id/RJ431827.html

Both chapters are currently on 50% off until Feb 13 so do support the artist if you like it. Chapter 2 has some hot threesome actions which personally I think is well worth the money if you enjoy this first chapter, especially with the ongoing discounts.

人+人，可以；人+虫子，也不是不行；人+（人+虫子），什么鬼啊

Base +3, cky +13, jls111 +1, Gitami +13, liuzhengrong +4, 22661756 +7, 搞基者联盟 +6

人+（人+虫子）可以，至少试试

Base +6, appstoremore -6, gxld0217 +5

我看不懂，但是我大受震撼。

Base +4

男的也中了，那再往后是不是（人+虫）+（人+虫）

Base +6, a252 +6, 搞基者联盟 +6

这里有题材类似，但是更变态的一本

緑のルーペ老师的"短裙与寄生虫"
Ch.1 https://e-hentai.org/g/1482968/cafe15e017/
Ch.2 https://e-hentai.org/g/1641338/38f25581cc/

Base +11, inorypoi +1, saint_hare +4, aaabbbccccat +3, DekomoriDesu +16

生化危机5死去的记忆突然攻击我，生吃海鲜是吧

Base +9, 吾乃绅士 +7

日语大佬能说下剧情吗

Base +5

Joe
¡Oh Banana Joe!
...

Base +6

不怎么喜欢看人+虫，这个人+（人+虫）还挺喜欢的

Base +6