Nagi Amano

Nagi Amano (天野 凪) is Hina's younger brother who is an elementary student. Despite being young, he is popular with the girls due to his "mature behavior".

Appearance
Nagi is a young boy with fairly long hair which reaches his ears which he tucks behind his ears. He is also quite similar to his sister as they have black hair with a dark blue hue and blue eyes, but the only difference is that Nagi has a darker shade of blue.

Trivia

 * Amano (天野) means "sky field", while Nagi (凪) means "calm" (weather).