(some) HEAVY THEMES
Momoko finds a little boy in a box underneath a bridge by her house. He was abandoned and left with nothing. Something in this boy resonates with her and she makes it her mission to take care of him, no matter what. She has to sacrifice her dignity, free time and much more but she just wants him to feel love.
Fukumaru is ten years old and has never been adopted, he's been called ugly and worthless and was starting to give up hope when a man came and singled him out as the cat he wanted. Fukumaru fills the void of loneliness that the death of his wife left and he gives Fukumaru all the love and praise he needs. 1000/10 the oji-san is my type, I love dignified, emotionally mature older guys
HEAVY THEMES
Kazuya was murdered by his best friend, Masaki, at the age of 32. Suddenly he's woken up in his 17 year old body, before all of the devolving events even happened. He's confused and doesn't remember all the details of his adult life besides being an incredible womanizer and cruel with no emotion. With the little memories he's gathered Kazuya concludes it was losing his virginity that began the development into madness, and now he's on a mission to prevent that future at all costs.
This was surely an interesting manga please don't be disturbed by its title. Kurosawa masturbates daily in an always empty girls bathroom, one day Kitagawa catches him and threatens to expose him unless he takes revenge on her bullies, by stealing and ejaculating on their clothes. He goes along with the plan but slowly realizes how wrong it is, and that he doesn't have to be a loner or view himself as above all of his classmates anymore. Kurosawa opens up and needs to take steps to forgiveness.
Cute spinoff of Jibaku Shounen Hanako-kun
Kiji is a psychopath, he has a hard time connecting with humans, and feeling things like empathy or happiness. He wants to die. One night he catches sight of some huge flying object crashing into the park. He checks it out, finds a weird humanoid butterfly and takes it home. He names her Ogeha but is extremely abusive to her in the begging, not feeding her or allowing her exercise. Her kind are looking for her but Ogeha becomes extremely attached to Kiji
HEAVY THEMES
Kanami has a rental older brother, Makoto, who helped her when she was crying in the park. She's a lonely child with no parents and an abusive and distant older brother, she desperately needs affection but keeps Makoto at a distance by paying him to treat her like his own little sister. All she wants is to repair her family and go back to the way things were before the incident. Her brother is awful, and Makoto is perfect, but nothing is completely as it seems.
SUPERNATURAL HEAVY THEMES
Andou is a loner, the first son who can't seem to do anything right. All he has going for him is his moral compass, but he can't bring himself to act on it. One day he finds a mysterious box and a bracelet, and trades his soul for the power of stickers. Once placed on someone you can use their body for 12 hours. Andou resolves to use his power for good, and to save the weak, but the world is never that black and white, and people are always after him for his stickers
HEAVY THEMES
Life is not simple. Natsuru is the ace of his sixth grade soccer team, and was sort of popular until he rejected a girl, not that he needs their attention anyways. One day he finds the tallest girl in his grade walking with her little brother, they invite him to their home and a friendship forms. They're living alone, though Suzumura keeps the real reason hidden, and Natsuru is instructed to not tell anyone. Without a man in the house he vows to protect them.
ONESHOT(S) MULTIPLE STORIES
Beautifully told stories that are painfully nostalgic.
JK to Sutego no Akachan