"Look!"

Rune smugly held up his phone screen in front of Altsin. "Big bro, you need to learn how to text like this. Otherwise, Chelsea will figure out it's not me."

Altsin leaned against the desk, a cigarette hanging loosely between his lips. When he saw the message that said [For you], his eyelashes flickered slightly.

Chelsea was certainly generous with this brat.

Rune quickly sent back a kissy face emoji and then pointed at his own messages, beginning his lesson for his old-fashioned, romance-illiterate brother—

"See, your last message was way too stiff. But if you just add an ‘oh’ at the end, plus a little tilde~~, doesn’t it...