Complex sentence: Very savvy with electronics and almost never seen without her lab coat, Mayoi loves to tease Tsumiki about her crush on Io, which often brings her severe repercussions from Tsumiki herself.
Split into simpler sentences: Very savvy with electronics and almost never seen without her lab coat. She loves to tease Tsumiki with her crush on Io, which often brings her severe repercussions from Tsumiki herself.