BL - No Good, Very Bad Men

Yuuji is perpetual cheats on Chika with women, but keep being forgiven. Until he goes too far and Chika leaves.

Ch. 1-4: Haru and Akio are bound together by loneliness, but Akio's love is abusive. Haru meets Natsuhiko, a caring sweets maker who is Akio's polar opposite, and is attracted to him, but Haru still can't leave Akio
Ch. 5: Kanen is a good looking man and his look seem to help him get away with anything
Ch. 6: Shin is obsessed with his former classmate Ryouhei, who's being sold by his boyfriend Yui

Despite his family's high expectations and wishes, Tatsumi doesn't want to succeed his family's yakuza clan. He finds escape by visiting Shingo, his friend and the leader of a gang of thugs who expresses love through violence. However, Tatsumi's younger brother Tomomi loves Tatsumi and desires to protect him, especially from Shingo, but also wants to see him succeed to clan. Tatsumi searches between the two to find what will fill the void in his exists.

Everyday, Misaki shows up to work with more bruises on his face. He gets them from a younger guy, Kushiro, in his neighborhood, who picks fights with Misaki every time he sees him. When Kushiro realizes Misaki takes pleasure from being hit by him, the two begin a sexual relationship that eventually turns into something more.

Pg. 7-106,171-189: Yoshinaga infatuated with his childhood friend Takao who is obsessed with large breasts. Takao often strays due to his fixation, but Yoshinaga knows how to reel him back in and punish him

Pg. 115-182: Takao becomes distraught after his lover Yoshinaga kick him out when he is no longer able to endure his sloppiness and womanizing behavior.

Childhood friends Natsuki and Arata have been dating since middle school. Now, in college they have just moved in together. However, when Natsuki joins the outdoor club, he meets and becomes attracted to the attentive club leader Ryouma. On a camping trip, Natsuki seduces Ryouma and begins to repeatedly cheat on Arata.

Pg. 11-96: Ryou cheats on Akio with any girl that approaches him. Akio always forgive him, until Ryou introduces him to a woman he's thinking of marrying.

Ch. 1-3: After needing for a favor, Tsukasa compensates his friend Wada by sending him a strange guy, who Wada can do anything to, for a month

Ch. 3: Popular Haru treats everyone gently, except for his childhood friend Tomo, who he is cruel towards. Despite his treatment, Tomo can't help liking Haru
Ch. 8: When his partner says he's decided to marry his sister, he tries to break off the relationship with his, now, potential brother-in-law. Brother-in-law responds by using his phone to punish him.