Normal version:
When Ko Gintoki went to pee, he met Ruodong who was unconscious under the cherry blossom tree, and took her back to the private school with evil intentions.
Literary version:
That year, Gintoki met Wakato during the cherry blossom season and took her back to his private school.
Concise version:
Gintoki met a girl and took her back to his private school to be a child bride.