Ore no Kokan wa Bishoujo Datta no ka - MangaDex
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A young man wakes up to a small surprise: He doesn't have his dick anymore! Follow Kosuga, a 2nd Year Highschool Student, as he lives his life with his dick who turns out to be a cute girl!

How come the dick jokes didn’t get stale even after 26 chapters? How the author manages to nail the jokes along with how perfect the placement in each panels?