[Gintama Reverse-Transmigration] Nicotine with Mayonnaise

The room was filled with the smell of nicotine, and... mayonnaise. This dream sure has an unusual smell. Don't worry! This girl and my favorite guy don't speak the same language, but this is the twenty-first century. A translator app is no problem! I-I'm just a little sensitive to cigarette smoke, that's all. Go ahead, my favorite guy, do as you please! What? My favorite guy doesn't want to trouble me? What's the problem with that! Ever heard of repaying someone with your hand in marriage...? Pfft! ※ Please note the following before reading ※ ◎ Hijikata Mayo x a self-insert version of the author... pure fantasy, just self-indulgent fun... ◎ It might be a little out of character, but I'll do my best! ◎ This is my first time writing, so please give me lots of feedback. I'll get better, QAQ Read at your own risk, read at your own risk...