Taishi Ichimiya (一宮 大志 Ichimiya Taishi) is one of the major characters in Servant x Service.
Toko is Taishi's younger sister who has a slight brother complex as he is very close to his younger sister, according to Megumi Chihaya.
Megumi is Taishi's current girlfriend who hides their relationship due to his sister.
Taishi is Hasebe's senpai. Hasebe slacks off and Taishi reprimands him.
Taishi is Lucy's senpai.
Taishi is Miyoshi's senpai.
Kenzo is Taishi's co-worker and superior. Despite being unable to respect Kenzo due to the his appearing as a stuffed-toy, Taishi is much more soft spoken and respectful towards Kenzo than Chihaya is. He is also the one to suggest to his boss ways to get along with the newbies.
- The name Taishi means "big, great" (太) (tai) and "history" (史) (shi).
- Taishi's surname Ichimiya means "one" (一) (ichi) and "temple, shrine, palace" (宮) (miya).