Additional Co-Op Agent BuffsOther Agents now gain additional stats when used in Co-Op:Soldier 11: 30% ATKLighter: 50% ATK, 50% DMG BonusEllen: 30% ATKYanagi: 30% ATKQingyi: 50% ATK, 150% DMG BonusLucia: 50% ATK, 100% DMG BonusGiven the list, it is likely Ye Shunguang will also but currently no info.

Additional Co-Op Agent Buffs
Other Agents now gain additional stats when used in Co-Op:

Soldier 11: 30% ATK
Lighter: 50% ATK, 50% DMG Bonus
Ellen: 30% ATK
Yanagi: 30% ATK
Qingyi: 50% ATK, 150% DMG Bonus
Lucia: 50% ATK, 100% DMG Bonus

Given the list, it is likely Ye Shunguang will also but currently no info.