[He looks worried. Maybe; it's hard to tell with that deadpan, but he's hesitating like he feels worried.

Tsuzuki nods, and pulls out one of his own ofuda; it's a summon ofuda, and he holds it between his extended index and middle finger, hand in the same position he'd directed Chikusa to use.]

That doesn't mean it's not working. It's pretty subtle, so you might have to learn how it feels by seeing when your spells work.

Hold the ofuda between your fingers, and picture yourself focusing energy into it. Then activate the spell--

ōn! [It's a snapped syllable; the sheet between his fingertips warps and spreads ghostly wings, vanishing into the body of a white dove that perches on his hands.]

This one's a summon. You can try casting yours on me -- if it works, it'll hold me in place for as long as you keep the spell going.