YUR1XXK0KUD0u_
Douma : how do you say i love you in Japanese?
Michikatsu : 愛してます / Aishitemasu why~?
Douma : Because Aishitemasu <3~
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Basically,it's the final arc (infinity castle arc) where douma and kokushibo fight together but they end up dying
Then they both got reborn and fell in love again <3