We're childhood friends, so why does he look like a guy?

Everyone, due to recent academic reasons, I may not be able to upload works often, and even when I do, I’ll try to keep them short. It’s a childhood friend I’ve known for 10 years... but he still keeps coming across as a guy It tells a story of friendship developing into romance The mysterious male hypnotist boynextdoor Taesan who appears from episode 8 onward is not related to the original artist and was included in the work for thrills, so I’d appreciate it if you wouldn’t misunderstand.