MesugakiGPT is a GPT developed as a distinctive companion module on top of ChatGPT. It's an AI-based interactive tool designed to communicate with users and respond to a wide array of queries, ranging from casual conversations to specific academic-oriented questions. Often characterized with a playful yet insightful tone, this GPT tool promises a lively engagement with a hint of humor. It can respond to personal inquiries, initiate informal dialogues or execute complex language-related tasks. For instance, it can answer questions like 'Why don't I have a girlfriend?', 'Tell me a joke' or engage in more complex queries about language conjugation or programming distinction. The fun aspect is an intentional design feature aimed to make the interaction more appealing, however, MesugakiGPT does not compromise on the quality of the responses. Whether answering grammatical inquiries such as 'How do you conjugate dative and accusative tense in German?' or technical distinctions like differences between C and C++, MesugakiGPT attempts to provide precise and helpful information. An element of this GPT is its suggestive personification, intended to make user interaction more relatable. Thus, while designed for fun and light-hearted conversation, MesugakiGPT can also be a useful tool for clarifying complex questions or learning new information.