One episode has Nate pooping in the school bathroom. A Yōkai makes his crush Katie repeatedly state this, once in front of his class and once in front of her friends. He is understandably horribly embarrassed.
In the DNA² anime and manga, two of the main characters have bodily function-related disorders: Junta vomits when he gets turned on and Kotomi farts when she gets nervous. This is Played for Laughs sometimes (ie: when Kotomi farts loudly during a romantic scene) but also Played for Drama in the I Just Want to Be Normal scenes.
She poops some more, amused because she saw insects eating her feces in the water. In an early episode of the Monster Rancher anime series, Hare and Tiger are fighting in a tournament.
The S drama CD also has a skit where Usagi goes to visit Haruka and Michiru, and Usagi's unladylike farting is contrasted against the elegant Michiru, who claims to never fart or poop— to the point where she and Haruka apparently don't have toilets.
This Anime series is based on the popular manga series Classroom. The Classroom of the Elite is all about school life,and the story is great.
Violet Evergarden is the main character in the Violet Evergarden series. In the war, Violet was treated like a weapon by the army like she was not human to them, where she served in the military for years.
During the past 100 years, magical concepts have been recognized as standard technologies rather than an occult or folk phenomenon. There’s a new school year, and the season is spring. First Magic High School, the first affiliate school of National Magic University, divides its students into two academic groups.
Avilio arrives at Lawless 7 years later. It takes a mysterious letter to convince him to return. In no time, he is confronted by Nero, the son of the Vanetti don. He attempted to create a bond with him. As Avilio started killing the members involved in the murder of his family during the Prohibition era, he made sure to exterminate them brutally.
Humans and demons fought for centuries, resulting in chaos and bloodshed. The King Of Demons, Anos Voldigoad gave his life himself to end the conflict between humans and Devils, hoping to be reborn in the future peacefully.
Saiki Kusuo, who has psychic abilities of all kinds, is the main character of the show, The Disastrous Life Of Saiki K.
As a quiet, reserved teenager, Katsuhira Agata has all but lost his sense of pain. He can only vaguely recall the days before Katsuhira went through such a radical change, according to his friend Chidori Takashiro.
In the first episode of Orphen, the main character, Orphen, gets crapped on by a bird. Panty & Stocking with Garterbelt: The first episode is about a literal shit-monster attacking Daten City. Sailor Moon: Sailor Moon deals with this in a side-story in the Dream arc, related to Rei and Minako's exams for high school.
Even Katie isn't safe from the yokai, despite Nate thinking girls don't fart. There is a yokai that makes you have to pee. He caused a lot of trouble for Nate and his friends. You Are Being Summoned, Azazel is also a prime example, what with feces being an essential part of fly demon Beelzebub's diet.