In Genjitsu, Kazuya ends up transported to the Elfrieden Kingdom in a different world. He is supposed to be a hero, however, ends up becoming the king of a troubled nation.
In Megami-ryou no Ryoubo-kun, Koushi is abandoned by his father. One day he is picked up by a strange college student who hires him to become "dorm mother" at her place.
In Peach Boy Riverside, Saltorine is on a journey to find Mikoto, and faces a magical world where humans, demihumans, and demons dislike each other.
In Meikyuu Black Company, Kinji is the "ultimate NEET", and has amassed enough money to live life in luxury, but one day he is sent to another world and ends up enslaved in a mine.
In Kanojo mo Kanojo, Naoya has loved Saki for many years, in high school she accepted his childhood friend as boyfriend, but one day Nagisa confesses to him.
In Bokutachi no Remake, Kyouya loses his job and returns to his hometown. He ends up regretting his life decisions, but one day he opens his eyes, and finds himself 10 years back in time.