No.11309292 ViewReplyOriginalReport
Here's a scientific thesis on what makes Ingrid so exceptionally fuckable:

1 Geometry: Compared to most hentai characters that are in their teens or early 20s, Ingrid seems to be an older woman in her late 20s or early 30s which is evident by her facial proportions like wider eye shape, larger nose and wider lips. Due to her age she also has larger and more curved breasts and buttocks. Due to these geometrical characteristics, Ingrid is considered to be a milf, a pretty uncommon presence in the loli-plagued hentai industry. This kind of uniqueness is commonly known to create curiosity and sexual tension

2 Color: Ingrid seems to create uniqueness and surprise element once again with the unconventional colors that constitute her. Her tanned skin is probably the first thing that stands out about her appearance since most characters featured in hentai are pale. Her dark skin is contrasted with her captivating yellow eyes and purple hair. In color theory, yellow is the color of creativity and fresh energy which serves to fuel our sexual tension and imagination. Although pink hair is common among anime characters, Ingrid seems to draw more attention to them thanks to the contrast with her skin. Pink is the result of white (the color of purity) blending with red (the color of passion), Pink is also thought to be the color of femininity and sexuality while also providing a sense of comfort

3 Details: Ingrid has a lot of subliminal details on her design that point to sexual pursuit or recent engagement to sexual acts. For example her hair is more detailed than most characters and some of it is carelessly placed in front of her face to suggest thrusting movements and speed. She also appears to have shrunken pupils, a common phenomenon during sexual climax.

For science!