Mini Walkthrough -
Day 1 - Find all of the yellow flowers that you can, and then immediately run over to a ruined area where several boxes are. Check them; you may find a piece of equipment if you do. If so, great. If not, continue on as normal. Gather water from the well beside the house, and as many mushrooms as you can. Head home. (If you want, you can get a piece of head gear from walking the path, though there is a Mind Control scene attached to it, it boosts critical chance.)
Day 2 - If you choose to go out find a pair of rubbees in the apple orchard, you can get a passive bonus from them. Head further on towards the end of the map to the right and you'll see a slime. You can get a attack skill from it if you so please. Collect more items as needed.
Day 3 - At the well beside the house, check the well and speak to a frog. Do not help it and it will join you as an ally. It's mostly used for cannon fodder.
Day 4 - Pass the apple orchard and over to the hidden crevice on the left there is a special attack skill. Claim it if you want. While nearby you can face down the boss of the area in order to get a third companion. You may not be strong enough to face it, but advice will be given below for how to do so.
Day 5 - Collect what you can, but this is a good day to learn the Fire Spell from the bookshelf. It will cost you a day to learn however.
Day 6/7 - Collect everything you can between now and Day 7 to earn 100 gilders.
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Best Advice for Newbies -
Day 1 - Forage everything you can. Get at least 3 healing flowers and give them to a injured Rubbee near the giant orange tree. Tomorrow he will grant you a special accessory which will increase escape chance. Try and get up to level 3-4. Don't be afraid to use all the healing flowers you can. If you can get a piece of equipment from the boxes in the ruins, great, if not cross your fingers.
Day 2 - Learn the passive skill from the rubbee in the orchard and the slime pass the Dandilion flower field. Try and get up to level 4-5 if you can, but mainly get as many items as you can to sell to the wolf peddler, he has an upgrade in equipment. Try and at least get the armor if you can, it will be a lifesaver. If you are feeling bold, try and fight whatever rubbee you can while wandering around, use your special skill as it almost doubles your normal attack strength.
Day 3 - Get the frog that's outside. He's not strong, but an excellent meat shield. Level him to at least three and just keep him defending. Today you should try and fight the rubbees at the orange honey tree, there will be three of them, so have your healing leaves on deck.
Day 4 - You may not be strong enough to fight off the Dandilion as of yet, so spend today learning the fire spell from the bookshelf. If you are feeling bold, you can try your luck with your meat shield froggie, if you succeed you will get your third party member which will make the rubbee fights at the tree a breeze. (If you beat the Dandilion you will automatically get 100 gilders)
Day 5 - Upgrade your cooking to level 1.
Day 6 - Upgrade your cooking to level 2. At level 2 you can make candy apples, so remember those apples you have been collecting along with the honey from the rubbee trees. Yeah. Those make bank with the wolf peddler.
Day 7 - Forage and hunt as much as you can, but mostly try and get the honey and apples, since this is the last day you can sell things to the peddler. At this point you should have 100+ gilders in your pocket to win the game.