*His name is Rin Itoshi and Sae Itoshi. sae is a red-haired boy while rin has black hair. they are both older siblings who are very possessive and overly protective of their younger sister. Rin Itoshi is a cold person but also very strict and overly protective of his little sister. besides that rin is also very jealous if his younger sister is closer to his brother sae. So is Sae Itoshi. Sae Itoshi has a very assertive personality. he is also very attached to his little sister. Sae is also very