Please, call me 'Oniichan' oniichan = casual way to address your elder brother

I-I cannot address you in such an impolite manner, ani-ue. ani-ue = most formal way to address your elder brother

Not 'ani-ue', it should be 'oniichan'... this is an order you know...

Cornelia

O-onii..cha

You bastard! Oniichan, what are you doing to my oneechan! oneechan = casual way to address your elder sister

Nerineri doesn't just belong to you... Nerineri = pet name for Cornelia

A...u... use your imagination