You will find many short-form manga (doujin) that use this title to signal a story focused on a specific fetish or act. Conclusion
A particle indicating the means or instrument (in this case, "with" or "using"). ganbare ume-chan, okuchi de houshi
Could you provide more context or details about the paper, such as the author or the topic it covers? This will help me better understand your interest and provide a more accurate response. You will find many short-form manga (doujin) that