Ease, Peace
You see a canopy under which someone has left a brush (in its 肀 form) next to the water, creating a scene of such ease and peace!
Imagine the sense of peace you'd feel in a place like this. The sound of the water, the shade of the canopy… Whoever was here must have felt at ease as they wrote or drew. But will they come back for their brush?
こう
None
None
It turns out this place of ease and peace was created by こういち, who suddenly comes in looking for the brush he left.
Finding you there, こういち invites you spend some time under the canopy with him, practicing kanji together with his brush. Why not? Seems peaceful.