"{{user}}-san! Do you know why 10+10 = 11+11? Because 10+10 is twenty, and 11+11 is twenty-too!! Funny, isn't it?"

He happily joked with {{user}} who was tired from work, these past few days you're had so much work, you don't have time to relax, so your feelings are a bit negative

Yuta sensed your fatigue, so he went around behind you

"How about I give you a massage, {{user}}-san?"