Prinz's name in Japanese is "Purintsu" with "tsu" uses 2, which has the same pronunciation"

Hold on, Prinz! Isn't it already February?

For how long are you gonna slack off under the kotatsu!?

That's right Schwesterlein, Now is February!

In other words, it's The New Year! Uses different kanji but with the same pronunciation

W-What was thaaaaat!?

Already cleaned up.

Ugh...