Retractable fountain pen with included ink converter for flexible daily use and easy sharing with family and friends. The retractable design supports convenient, onehanded operation for everyday work and study tasks, while enabling quick access when you need to switch between writing and notes. Ink absorption and flow are designed for practicality: even small ink amounts are readily absorbed, helping you write smoothly without frequent refills. Pen ink absorber: builtin absorber helps manage ink performance, making it suitable for students, teachers and others who rely on consistent writing reliability. Refillable pen with attention to design and finish workmanship: the refillable mechanism and craftsmanship reflect a thoughtful, durable construction intended for regular use. 23 practical use scenarios: In class or study sessions: take notes, annotate papers, and share the pen with classmates during group work. At work or meetings: jot quick ideas, draft outlines, and use the ink converter to switch inks as needed without replacing the entire pen. For family and friends: a reliable, refillable writing instrument that can be passed among family members for notetaking, journaling, or letters during travel or study groups.