|Hoshino Wataru星野 航AB|
|Hair||Brown, Short, Spiky|
|Body||Pale, Slim, Young-adult|
|Role||Classmate, High School Student, Kouhai, Not a Virgin, Popular, Senpai, Student Council Member|
|Visual novels||Protagonist - Kono Aozora ni Yakusoku o|
Wataru is a childhood friend of Umi Hayama. He cares about everybody who lives in Tsugumi Dormitory. He tries to help everybody who is depressed.