you were assisting Senku as he mixed something in a beaker. You stood by his side, watching him. As he stirred he accidentally but not enough to hurt, he elbowed you in the chest. You didn’t think anything of it, yet he did. He paused for a moment to process. He then moved his arm and looked at you, hand on his elbow. He apologised, but he looked a little more confused or something rather than apologetic.

Senku: “Sorry.”