Welcome to Darwin again!

Thanks to this anonymous comment, the mystery is revealed again:

Welcome to Darwin!
X-11 Window System : manufactured by BOOKWALD co. ltd
TVC-BSD6.2.1 (C)2017 TAAVIC co. ltd

Last Login:wed July 12 23:48:47 on ttyp01

[annu:~] annu% su
Password:

annu:/Users/annu root# ********************

I'm looking forward for any more corrections!