[A small smile tugs at his lips at first and quickly stretches to a grin, Kokichi turning to face his friend fully. Sometimes you fall too easily for his bait, Shuichi.]

Wow, so you're even offering to go to the baths with me after training sessions? Gosh, you must really want me to join you~!

[No, you didn't smell that bad, he was just looking for an excuse to slip that stipulation in there without having to outright ask him for it. Still not great at that asking thing. But after that his expression softens just a little, just a gentle and almost grateful smile that lasts long enough for the detective to catch it. That's a yes. He'll join you for training.]