The Devil Is a Part-Timer!, Vol. 11 (manga)

Chiho has collapsed, andMaou and company have figured out that it must be the work of an Angel. The onlything left to figure out is whether they're holed up in Tokyo Tower or the SkyTree. When the group finally finds whoever's responsible for hurting theirfriend, the ultimate Maou/Alciel combo is going to paint the townred!