Ecchi

Keigo Kazami (28), a high school teacher with a fondness for older women, is homeroom teacher to a class that suddenly gains a transfer student—Kirimi Takanashi (32), an active actress and the mother of one!? Kirimi has been trying to convince her truant daughter to attend school, but the daughter fires back: "Did you go to high school? You were already working in show business." To persuade her daughter, Kirimi boldly declares that she'll enroll in high school herself first—and even rocks the school uniform with enthusiasm! Keigo is completely thrown off by having a student older than himself, but the principal orders him to support Kirimi's "fun" school life. Can Keigo fulfill his duties without being tempted by Kirimi's alluring maturity...?

When Dae-Ho was a child his parents were killed in a tragic accident. Afterwards, he was taken in by his late father’s friend Mr.Cha and was raised with love and care. Now, at age 20, Mrs. Cha realizes that Dae-Ho hasn’t been properly taught about growing up into a man. He keeps having wet dreams and she feels he needs someone to show him how to relieve his urges. She takes it upon herself to show him how it’s done…

Seto is a completely ordinary and somewhat boring high school student. Yet, for whatever reason, his errant gyaru classmate Anjou just won't leave him alone! The serious Seto and energetic Anjou make a contrasting duo, but Anjou doesn't seem to mind, as she has too much fun teasing him. On the other hand, Seto has a hard time dealing with all of her endless antics; little does he realize that his humorous reactions are precisely the reason Anjou enjoys his company. But… just how much of her flirting is merely an act?

A high school student who lived as a mob character ― Mimori Touka (三森灯河). During the school trip, he and his classmates were summoned to another world. According to the summoning goddess, so many best ranked heroes like S and superior ranked ones like A was very unusual. Touka, however, was the only with the lowest rank: he was an E-rank hero, in the "failure frame" of the stepped pyramid frames. Hi status is overwhelming low when compared to his classmates. Moreover Touka’s peculiar skill — 【Abnormal State Skill】— looks like an absolute failure, so… Like this, the former mob character and abandoned hero will absolutely become the strongest devil as he advances and strikes back. Source: Baka-Updates-Manga

Seto is an ordinary and uninteresting high school student who is frequently harassed by his classmate Anjou, a troublemaker whose motives are unknown. Despite their contrasting personalities, with Seto being more reserved and Anjou being more lively, Anjou enjoys taunting and tormenting Seto. Seto struggles to cope with Anjou's behavior and fails to realize that his entertaining reactions are why she enjoys tormenting him. Yancha Gal no Anjou-san chronicles the amusing daily interactions between these two polar opposites as their playful teasing evolves into a cherished companionship. However, it remains unclear whether Anjou's flirtatious banter with Seto is genuine or not.

When the apocalypse descends, the world transforms into a brutal game of evolution—humanity’s final trial, and the favorite playground of gods and demons. Brian Carter time-travels back to ten days before it all begins. Armed with foreknowledge and no time to waste, he injects himself with the zombie virus and awakens a legendary SSS ability: Virus Monarch! Now, with the power to command infection itself, Brian forges a terrifying new path through the chaos, one where he doesn’t just survive the end of the world, but rules it!