Step 1.
- Chill a highball glass by filling it with ice water and setting it aside.
Step 2.
- In a shaker, combine 2 ounces of sake and 1 ounce of fresh lemon juice.
Step 3.
- Add 1 ounce of simple syrup to the shaker.
Step 4.
- Fill the shaker with ice and shake vigorously for about 15 seconds.
Step 5.
- Empty the ice water from the chilled glass and strain the mixture into the glass over fresh ice.
Step 6.
- Top with 2 ounces of Ramune soda.
Step 7.
- Garnish with a lemon wheel.