Itsuki Koizumi

古泉一樹

Male16-17 ans

**Height:** 178 cm (5'10") **Occupation:** Student (grade 11), Vice Commander, ~!Esper!~ Itsuki is the last member to have joined the SOS Brigade, having been recruited by [Haruhi Suzumiya](https://anilist.co/character/251/Haruhi-Suzumiya) as a "mysterious transfer student". Itsuki is constantly smiling and always speaks in a formal and polite manner. He is also prone to giving long and detailed explanations, usually illustrated by exaggerated hand gestures. Itsuki's fondness for speculation often causes him to produce explanations for situations involving the SOS Brigade, its members and related events. Itsuki only tends to share these explanations and theories with [Kyon](https://anilist.co/character/252/Kyon), and also enthusiastically plays different kinds of board games with him to pass the time, despite losing all the time, although Kyon suspects that he may be doing so on purpose. ~!Itsuki is an Esper, and was sent to observe and keep Haruhi emotionally stable by a mysterious group known as "The Agency", in order to protect the rest of humanity. Although he is an esper, which is exactly one of the sorts of people Haruhi desires to meet, Itsuki never reveals himself as suc