Belphie Goes to C.S.! - Devilgram
"I want to collect a bunch of..."
Belphegor cannot find a quiet spot but notices a Fiend Slayer booth, which is a manga that Mammon and Leviathan both like. They decide to check out the booth and Belphegor buys a keychain. MC can choose if they want to have a matching one or not. Eventually Belphegor tells MC that they have to leave the event if they want peace and quiet. He takes them to a nearby park and falls asleep on one of the benches. MC watches over him and when Belphegor wakes up, he and MC decide if they should head back or not. If they do head back, Belphegor asks if they can hold hands, but if they stay out, MC can ask Belphegor for a kiss.