Ascelin frightening a group of girls by flashing them his mother's Crescent Moonsmile after overhearing them talk about him.
Laelaps being socially inept and having to hastily apologize to Kasumi after bluntly dismissing her Psychic Powers. The moment her heart shattered was audible.
Ascelin and Laika bonding over their love of shopping in Chapter 3.
Ascelin: Don’t worry guys, the next place you wanna go to I’ll be paying.
Laika: Oh yeah, I forgot you’re the rich one here. Hmmm… how about... (grins) How about some shopping
Ascelin: (squeals & gives finger guns) I was hoping you’d say that!
When a bunch of students is discussing Laika's disappearance during class, A male human wearing a Tinfoil Hat pipes up while adjusting his glasses.
Tinfoil Hat Student: Cryptids. It’s the work of cryptids I tell you!
Two Girls: (in unison) Oh, put a lid on it, Marty!
Despite the seriousness of the situation, the students disappearing one by one around the school is depicted in a comedic manner.
A scene from the school's gymnasium showed a cheerleading pyramid collapsing from a portal being opened up on the ground.
A male student named Johnny is reluctant to confess to his crush Clara but is given the courage by his friend Mikhail. Johnny approaches Clara in the hallway with a bouquet of roses and blurts out a Love Confession with only to discover that she had vanished. Perceiving this as her rejecting him, Johnny cries to Mikhail with snot running down his nose.
In Chapter 5, Axel is shown to still have his theatricality.
Kasumi: We have no way of contacting anyone from the outside world and vice versa so be careful, Axe-papa!
Axel: Likewise, take care! (gives a two-finger salute with a wink before running off) FOR THE EARTHHHHHH!