Diary Calendar

The Diary Calendar is the reworked version of the Diary, released in the Feast in the Yakgwa Village update. In the Diary Calendar, you can complete small missions for small rewards.

Missions
The Diary Calendar missions are very short and simple: it can be running in Trophy Race once and check the result, running in the Breakout Mode (Either the Main Episode or the Special Episode), running in Guild Runs once (Friendly matches included), reaching 3 stars in a Main Story chapter (If you don't have all the chapters 100% complete), or reaching a Rank in a Cookie Trial (Can be both normal and hard mode, and only if the Trial's possible to reach the Rank with your Cookie & Pet level). You can refresh mission for other ones.

Rewards
There are 2 types of rewards: the Daily Stamp Rewards and Weekly Stamp Rewards. Daily Stamp Rewards are available every day, and will refresh after getting 5 Stamp Rewards. The Weekly Stamp Rewards are available every week, and will refresh after 3 Weekly Stamp Rewards. The Daily Stamp Rewards rewards can be 100,  50,000 or 70,000,  1 or 2, or  ???. The Weekly Stamp Rewards can be either 500 or  300.

Calendar Designs
Since the Curse of the Sacred Forest update, you can customize the Diary Calendar design for different ones. the Calendar designs are usually only available in Events. Currently, only month specific Calendar designs are available.

Sticker Packs
Since the Curse of the Sacred Forest update, you can place stickers in the Diary Calendar to customize it. There are 2 types of Sticker Packs: Individual Stickers, which can be always used regardless of the month, and Calendar Sticker Packs, which can be only used in one month. Individual Sticker available are the Breakout Rank Stickers, which can be gotten depending on the Main Breakout Episode Rank, and Rating Trophy Stickers, which can be gotten form the end of season Champions League Rating. Calendar Sticker Packs can either be gotten from Events of as a free reward.