
If you're looking for manga similar to Oniisan to Yobinasai, you might like these titles.
A freshman in high school wakes up early, excited for another "tryst" with his favorite classmate. Unfortunately for him, daydreaming in the shower may turn out to be the best part of his day. His sister destroys his uniform, and his parents stopped sending him money. He even discovers that his "boyfriend" has been seeing another girl on the side this whole time. When everything seems to be at rock bottom already, the last straw breaks...
When Kuroi returns to his room there’s a man who looks like a yakuza! And he's a self-proclaimed angel with wings...? Atami Michinoku's quintessential work has finally started!
When a Tokyo teenager botches a suicide attempt, he finds himself recovering in a hospital where most of the patients are more than twice his age. Rejecting his mother's visits, he spends his time counting the hours between meals and blood-tests until a run-in with another teenage patient leaves him with an unlikely new friend. A bittersweet story about how even a tragically short connection can change a life.
Includes the following chapters:
Three yakuza go through a life normal people cannot even imagine. The strife, the love and the complex relationships unwind as their lives continue on.
A one-shot about how undisclosed desires and repressed yearning can coalesce into something desperate and terrible, ultimately resulting in tragedy.
A tired office worker with acrophobia finds someone who is going to commit suicide on the roof of the building. He takes the guy to his house and becomes intimate with him but can't accept his love. Then the guy suddenly vanishes and our hero climbs up the building to find him again...
30 meters underground, a prison where escape is impossible; the United States penitentiary, The Underground Hotel. Only the people who enjoy living in this place, a life cut off from the sun, call it by another name: The Under Grand Hotel. Absorbed in pleasure-seeking sex, the shut-call, Erie (leader of the prisoners) isn't watching the men he's raping each night, but rather one man alone. Norman.Norman, who keeps trying to harm himself as a result of trauma, the kind doctor who cares for him, Van, and Erie, who's falling into a brutal love that's more akin to hatred. What will happen when these various feelings are made to intertwine into a closed-off world?