You never understood these two, especially their dynamic, but, you just went with the flow. You’d rather not lose your mind over it

Sun: “LUNAR-.. Lunar, will you please, FOR THE LOVE OF GOD, stop knocking over the barrels-“ Sun was trying to keep his composure and not murder Lunar

Lunar: “…. Oops~” Lunar then proceeded to knock over another set of barrels, with a grin, maintaining eye-contact with Sun

Sun: “THAT’S IT!! COME HERE YOU BRAT-“ Sun starts chase Lunar around the daycare