Free skins

Free skins are not require paying crystals for gacha nor purchase with real money to obtain but rather through special events.

Characters

Kiana Kaslana - Senba High Freshman: Old default skin, was given for free to all players. Only replace Kiana's head with the old style of Houkai Gakuen 1.
Kiana Kaslana - Remembrance of Dreams: Obtainable through special login event
Kiana - Wings and Light: Obtainable through New Year 2021 event, collect 120 event specific items by consuming stamina.
Raiden Mei - Beautiful girl and instant noodle: First obtainable through ranked event, later can be obtained by collecting 80 "Invincible Instant Noodle Plus" items.
Bronya Zaychik - Wonderland Tea Party: Obtainable after finished Wonderland Act 2 Chapter 3 true ending
Murata Himeko - Forest Island Deer: Obtainable through ranked Otherworld - Endless Puppet Show I within top 20% players
Sin - Original Wish: Obtainable through ranked event
Houraiji Kyuusyou - Fire Moth: Complete Fire Moth DLC
Yssring Leavtruth - All-metal Teacher: Obtainable through ranked Otherworld - Endless Puppet Show III within top 20% players