C79 Crossbow

"Oh come on, it doesn't matter who does the inviting! How can a teacher possibly ask a student to pay for a meal? You're the dedicated gardener who's nurtured us; it's we who should be repaying you, not the other way around!" Jiang Nan hastily clarified.

Zhang Yu begged to differ, interjecting quickly, "As far as the teacher is concerned, you're like our children