I used to toil in the Touhou shipping mines, kiddo; I can and have shipped characters with far less provocation.
(To be fair, I'm mostly joking, just as I am when I extol the virtues of the Great Nijigasaki Polycule. But between Shioriko's apparent declaration that Kasumi's koppepan is three times tastier than "the bread your late mother made when you were a kid" and Kasumi's resulting swoon, well...)