Just binged GATE 37, and then binged this. I got all endings on both.
10/10, would recommend. <3 I can't articulate how cool they are, just know I loved the games. He's so unintentionally funny whenever you play along with it, definitely giving ace vibes when MC explains it and he immediately goes "Ew", lol.
P.S. Is the thousand yard stare the only face he can make?!? holy sh*t, it's almost creepier than the demonic face he has.