Winter Memories: All Yui Main Events Guide

• Affection 20+
• Have conversation with her

You can fulfill both conditions at once, speaking to her gives +5 affection points.
When you fulfil the quotas, The event will begin in the afternoon.

• Affection 40
• Do math drills

Its necessary to level up these and have an easy conversation and will increase the chance of gaining 100 mood.
also recommending to have this one too
In my opinion, its not hard to complete these. if you want to finish both within a day, these skills are head start.

• Affection 60+
• Lewdness 30+
• Do math drills in the afternoon once the above conditions have been met.

• Affection 80
• in the 1st January or later
• Do the calligraphy mini-game in the Afternoon

When the event is over, move on to the
next day to access the next part

• Affection 80
• Perversion 50+
• Once the conditions have been met, You must sleep with Yui to launch the EV.

REWARD:
The Miyuki “ENDING” is unlocked. you can skip it to final or wait till the end.