Day One

• Remember red tsubaki
• Help kitchen
• Other family?
• Worry about Yasumi

Day Two

• Worry about those two
• Have Yasumi help out
• Help Yasumi shop
• Answer it
• Might not be a bad idea
• Agree
• Commonplace Liver Burger
• Frilly flower-pattern bikini
• Don't leave Yasumi

Day Three

• Talk to monk
• Express regret
• Wait and see
• Have a match
• Go sleep

The is a bad end, but it's a little ecchi (or maybe it isn't?) so you also get to see a CG.
The choices given above are for Yasumi's route but you can also see this ending in Kohaku's route if you decline to accept special training or have a match, etc.