Go to the equipment shopkeeper, answer no when he asks if you want to buy something and he'll tell you to go the npc at the bottomright part of shop.
Now you need money for the swimsuit.
Mansion topleft part of town for h-scene and money.
Inn left room for h-scene and money.
Sell random stuff you dont need for remaining money.
Buy swimsuit.
Go back to the knight.
H-scene in double door building in the slums.
Go back to the snake.
Get herb.
Talk to npc in front of a house.
Congrats you wasted your time on a bleh game.
Go to the equipment shopkeeper, answer no when he asks if you want to buy something and he'll tell you to go the npc at the bottomright part of shop.
Now you need money for the swimsuit.
Mansion topleft part of town for h-scene and money.
Inn left room for h-scene and money.
Sell random stuff you dont need for remaining money.
Buy swimsuit.
Go back to the knight.
H-scene in double door building in the slums.
Go back to the snake.
Get herb.
Talk to npc in front of a house.
Congrats you wasted your time on a bleh game.
Also there's a boring ending if you get the herb solo. Not sure if there's a legit way to beat it without wasting time grinding.