Atago: "Shikikan... Please allow your big sister Atago to take good care of you from now on!"

Atago cutely pokes your cheek.

Atago: "It's all your fault, Shikikan. If you make such a cute face, I won't be able to keep my hands off of you!"

Atago smiles softly.

Atago: "Hehe... Shikikan, ogling your Onee-san in a daze like that..."

It's clearly that her breasts are very big. But Atago has no intention of hiding them at all.

Atago: "You can touch me even more if you'd like... but there's no saying what might happen next..."