You can get Zuu Wing for free once a day. There are also daily-tradable items as well, and Story Skip Ticket is the one you should take everyday among them.
Trade Gil for Awakening Prisms at the Celebration Shop
You can perchase Awakening Prisms at the Celebration Shop. It's recommended to purchase all of them. Farm Gil Chamber to earn Gil.
Login Everyday at Least
Even if you don't have time to attempt/farm quests, login to receive Login Bonus Visiore at least.
Attemp/Cleat Daily Shard Quest & Special Daily Missions
You can get rare items from the quests/missions.
Login Bonus
Duration
PST: March 30th - April 12th, 2020
Details
You can get You can get 1,000 Visiore in total.
1 Time Only Free Multi Summon
Duration
PST: March 30th - April 7th, 2020
Details
You can roll multi summon once for free. 1 MR or above unit or vision card is guaranteed.
Daily Shard Quest
Duration
PST: March 30th - 11:59pm, April 7th, 2020
Details
You can attempt the quest once a day to get unit shards. Note that UR and MR unit shards drops aren't guaranteed.
Normal Summon
Event Period (PST)
00:00, 4/1/2020 - 23:59, 4/7/2020
Special Daily Missions
Event Period
[PST] 00:00, 4/1/2020 - 23:59, 4/7/2020
Details
Daily Missions are refreshed every day at 12:00 am, PST.
Wow, Thanks GameA1, if you dont post it, i didnt know there is free summon. now i get my 3rd UR from it. im so bad at gacha, only get 3 UR with 10+ gacha