Vol 4: Ch 249 - Another achievement of the siblings
After accomplishing the task given by the oldest among them not including their mother Aya, the three siblings arrive or come back almost at the same time. El is the one who did it first followed by Rei and last is Mei.
En: Your back El
El: Yes Bro En
Rei: Oh, you are already done with your task Bro El?
El: Yeah and here are your key thanks.
Rei: You're Welcome
Mei: Eh both Sis and Bro El did already done?
Both: Yeah
Mei: Tsk, tsk I didn't beat you again guys and here I thought that I will get it first.
All: 'Since when did it become a contest?'