Taichi is a human character in the animated series *Mikan Enikki*, portrayed as a young boy within Mikan's social environment. He appears in episode 14, credited under Key Animation. Taichi interacts with Mikan, the anthropomorphic orange cat protagonist, through everyday human activities and childhood engagements. His role unfolds in scenarios emphasizing Mikan's integration into human society, such as school settings and neighborhood interactions.

Taichi's characterization supports the series' focus on community and interpersonal relationships. His presence advances episodic storylines centered on friendship and daily adventures, devoid of supernatural elements. The character is cataloged among fictional works featuring the name 'Taichi' under *Mikan Enikki* in an encyclopedia of names and appearances.

Taichi's design and narrative function align with the series' slice-of-life approach, highlighting relatable human characters alongside the titular cat.