One morning, Hayate goes to Nagi's room to wake her up for breakfast, but he sees a large white tiger named Tama sleeping right next to her!
You should be grateful. There's 
no reason to resent me.
Deberías estar agradecido. 
No tienes por qué estar molesto conmigo.
Você devia estar agradecido.
Não há motivos para guardar rancor contra nós.