[ He doesn't mention anything about her sudden change in behaviour because he has no idea why it happened. It's puzzling him, almost having him question if he's done something. Even though she continues to act strangely, his initial thoughts of her haven't changed.

Brow furrowed, he looks at her in confusion as she laughs loudly. Did he mispronounce her name? Is that why she finds this so amusing? His mind races with questions, unsure where to start. Jun is struggling with uncertainty, wondering if he has gone too far by using honorifics when talking to Monika. Her laughter has left him with some lingering doubts, despite his sincere belief that this respectful gesture is appropriate.

Without saying a single word, he enters his stall, contemplating her actions while he begins to unbutton his vest. He questions whether she's feeling ashamed for another reason, or whether it was due to what he said. No! That can't be it!! ]

Want me to just hang everything over the top gap? I think it's gonna be easier that way, rather than tryna pass it through the bottom one.