Ah... yeah this is literally the fear of every Infected x Non-infected ship, which is like, most of the Arknights ships. Really adds that extra OOF to their dynamics.
Also yeah this is very huge spoilers but tbh if you read through Ch'en's files, her clinical analysis was kept deliberately hidden and then there's even more spoilers in her promotion record that foreshadows/spoils ch7.
@myrrhmidon Talulah is Ch'en's sister though no???