Age: 17-18
Birthday: May 5
Height: 159-165 cm
Weight: 55.6 kg
Blood type: A

Itsuki Nakano is the fifth sister of the Nakano Quintuplets. She is attributed as the "first girl" of the series. Itsuki is serious and diligent, yet she's also a glutton and crybaby.

(Source: Gotoubun no Hanayome Wiki)