No. Such stories are considered inappropriate and vulgar for mainstream literature which is generally aimed at a wide audience including all ages and cultures. Mainstream literature focuses on various themes like love, friendship, adventure, and social issues in a more family - friendly and ethical way.
This is a very private and inappropriate topic to discuss in a general context. We should focus on positive, healthy and respectful communication topics.
The ethical implications are complex. On one hand, if it's part of an exploration of consensual adult sexual relationships within a private or appropriate adult - only context, some may argue it's a form of self - expression. However, more often than not, it can be seen as unethical as it can have a negative impact on society's perception of sex. It may normalize inappropriate sexual behavior and make people uncomfortable, especially those who uphold traditional values of modesty and respect for others.
I'm not aware of any specific well - known 'Cunnilingus Teacher Story' in mainstream literature. There could be some very niche or inappropriate self - published works with such a title, but it's not something that is commonly part of the literary canon.
One of the main ethical issues is the objectification. It reduces characters to just sexual objects. Also, it can make the readers uncomfortable if they come across it accidentally as it contains explicit sexual content.