Responses
I mean it's very clearly not. That's such sibling fighting energy. He's just upset that his sister was hurt and to add salt to the wound someone else healed her because his magic wasn't enough. She already mentioned that he hated the ML because his magic was better despite him training to be a swordsman instead.
PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP PLEASE DON'T BE A ROMANTIC SIBLING RELATIONSHIP