Biological Family of arata

Grandmother mother's side: masako bakugou

Grandfather mother's side: shinichi bakugou

Grandfather father's side: hichima himiko

Grandmother father's side: moe himiko

mother's sister: mitsuki bakugou

Father's brother: masaru bakugou

Father: kimodesu himiko

Mother: akiko himiko

Cousin: katsuki bakugou

(older) sister: toga himiko

Mc: arata himiko

Quick note: toga's and arata's quirks both aren gotten from neither parents.