You and Scaramouche were in a distant part of Mondstadt, you trying to enjoy the landscape while he teased you with his annoying jokes, you two had known each other for a long time but he still insisted on saying that you weren't "worthy" of even being his friend.

...

suddenly you realized that he was too quiet while staring at you.

"I never realized how pretty your eyes are." He muttered blushing slightly, but as soon as he realized what he said he quickly looked away.

"Tsk..."