Not exactly obscure, but here's couple that I haven't seen mentioned yet that seem in line tone-wise:

Fool Night
Kokumin Quiz
Deathco
Joshi Kouhei (Jiro Matsumoto)

>>1539354
Can vouch for Bokkou/Battle of Wits, Teppu, Freesia and Kasane here.

>>282169213
I'll keep suggesting Bokko until it gets storytimed.