Non romance mangas

Takemichi is a 26-year-old unemployed virgin who learns that the girl he dated in middle school the only girl he ever dated has died. Then, after an accident he finds himself in a time leap back to his middle school years. He vows to change the future and save the girl, and to do that he aims to rise to the top of the Kantou region's most brutal delinquent gang.

The manga centers on homicide detective Hiroki Dan, the son of a former police superintendent general, and who seems to be on the fast track to career success. He maintains a hidden identity as a serial killer responsible for more than a hundred murders of people he deems beyond the reach of the law.

There's a new hero in town and he's got a bad attitude and a chainsaw dog demon! A dangerous combo.

This work is a story about a boy, Rwanda, whose mother is a vicious murderer, set in England at the end of the 19th century. Rwanda, who has long been confined in the basement, grew up and left the house after a certain incident. Eventually, he arrived at the town and was picked up by a staff member of the nursing home and decided to live in the facility. But peaceful everyday life is only boring for Rwanda...

At Kamome Academy, rumors abound about the school's Seven Mysteries, one of which is Hanako-san. Said to occupy the third stall of the third floor girls' bathroom in the old school building, Hanako-san grants any wish when summoned. Nene Yashiro, an occult-loving high school girl who dreams of romance, ventures into this haunted bathroom... but the Hanako-san she meets there is nothing like she imagined! Kamome Academy's Hanako-san... is a boy!

Tanjiro is the eldest son in a family that has lost its father. Tanjiro visits another town one day to sell charcoal, but ends up staying the night at someone else's house instead of going home because of a rumor about a demon that stalks a nearby mountain at night. When he goes home the next day, tragedy is waiting for him.

Set in Tokyo it's described as a space action series between humans & extraterrestrials.

Shin Uruma, a sixth-grade student, was named "Experimental body: A" by five of his classmates and was severely bullied and lived in hell. His only peace was with his brother, who loved him, and his parents, who protected him.... . until the five monsters killed his family.

When he finally loses everything and faces true hell, a dark "wish" is born inside Shun.

Yuuji is a genius at track and field. But he has zero interest running around in circles, he's happy as a clam in the Occult Research Club. Although he's only in the club for kicks, things get serious when a real spirit shows up at school! Life's about to get really strange in Sugisawa Town #3 High School!

The story is set in the modern day, except people with special powers have become commonplace throughout the world. A boy named Izuku Midoriya has no powers, but he still dreams.