Lemon Sour (レモンサワー, Remon Sawā)

The lemon decides this drink. Not syrup, not bottled sour mix, not a clever hand behind the bar. Half a fresh lemon, cut cleanly and squeezed at the last moment, gives you juice, scent, and a little oil from the peel. That oil is why the drink smells alive before it tastes sour.

A proper lemon sour is built, not shaken. Fill the glass with hard ice, pour in shochu, add cold soda gently, then squeeze the lemon over the top and give one quiet stir. The order matters because soda loses its life when you bully it. If you stir hard, you get a flat drink and a sad little lecture from the glass. Nobody needs that on a weeknight.

This is izakaya drinking at its most useful: dry, bright, clean enough to sit beside grilled fish, karaage, yakitori, or salty pickles without making a fuss. The one detail to watch is temperature. Everything should be cold before it meets the glass, because the drink has nowhere to hide. Honmono here is wonderfully plain: shochu, soda, lemon, ice.