Good morning, how can I get sei letters for my teenagers? How to get the introduction of sei letter?

In my youth mobile game Good Morning, many players don't know how to get sei letters! So what is the specific way to get it? Let's get to know each other!

Good morning, how can I get sei letters for my teenagers? How to get the introduction of sei letter?

* Letter: It's from the system. Left-cutting the menu, you can see that there are no garbled letters in your memory.

The second letter: when the green bar is full, it will be unlocked. The second letter was written by sei.

The third letter: if qwq wants to unlock the collection 10 level, send a wedding dress. This white suit looks good.