https://www.google.it/search?q=hunter x hunter
<3 Sasuke, Sakura & Naruto (Team Kakashi / Team 7)
Naruto and Boruto
Killua Zoldyck ~Hunter X Hunter
Somehow Gon's death glare was scarier than Killua's. Maybe because Gon was always so happy and you wouldn't expect it from him as much as from Killua
Killua Zoldyck - Hunter X Hunter, but I believe this is the original 1999 version.