The story starts on April 21st, with him narrating the story. He was prisoner number 420; and briefly talked about the existence of "happy ends" negatively thinking about the world. Number 420 (his real name is not yet revealed nor will it ever be, for everyone addresses him as number 420) was then led to his cell by Kaimural (Kaito) where he found a blanket and walls of ceramic. Two new (non-vocaloid) characters were introduced, Rythm Garcha and Shazna Ivory; with whom tried to hurt number 420 to the point where he's shown to cry.

Her grandmother is a divorcee (three times), her mother is a divorcee (twice), and her older sister is a single mother. Growing up in an all-female household, Mitsuha Yamada is a smart girl at the top of her class. But instead of looking to become a strong, independent woman, her dream is to marry a faithful husband and form a happy family together. But of all people, she falls in love with a blonde-haired boy named Ryunosuke Kubo, who has a bad reputation around school...? Has she made the right choice or not? The love story of a girl who still dreams of romance in the Reiwa era! (Source: Margaret Comics, translated)

Nakanishi searches for the truth about a classmate's murder so he can settle a grudge for her. *Note: published in The Hana to Yume 2012 Feb. 01*

Liszt, a programmer of the game "Miracle," agreed to entered the game world to play the role of the final boss "Dark Lord," to help cure his mother's illness. The contract agreement stated Liszt must stay in the game world until he was defeated by the players. But the the stats of the Dark Lord were too high, and what was suppose to be an easy fight to beat Lizst became a reverse slaughter for him instead. He slowly realized that if he wanted to be successfully defeated and return to the real world, he'll have to try some different strategies… (Source: Tencent, translated)

The introverted architect, Michishita, has a crush on his mysterious apartment neighbor, Kase. Kase always hides his face behind a mask, and rarely makes conversation with anyone, leaving Michishita with no intention of pursuing his unrequited love, content to just admire him from afar. One day, Michishita found himself in a near-fatal accident, only to be saved in the nick of time by Kase. However, Kase is seriously injured while shielding Michishita and is taken to the hospital in critical condition, unconscious. When Kase finally wakes up, to Michishita's surprise, he starts calling him "big brother" and begins acting adorably toward him…? (Source: Kaiohsha, translated) *Note: Includes one extra chapter.*

In a school where after school activities are mandatory among all students, Hajime and her friend Sayo come across a new club that they have never seen before. The club is called "The Cultural Activity Preservation Club." The two enter the room to find all kinds of analog jobs and activities, such as handcrafting mats and toothpicks. This is a unique cultural manga mixed with comedy so as not to bore you, this is Double J! (Source: MangaHelpers) *Note: Volume 4 contains the side story "Musix Dentou" (ミュージックス伝統).*

A 4-koma anthology comic of Girls und Panzer by various mangaka.

Shunsuke Sakaki is a part-time university lecturer on Western European history. Ema Sakiyama, his student and Roppongi’s top hostess, asks for his help in settling a dispute with a customer who sent back a glass of champagne. With help from Rin, Ema’s friend who is oddly knowledgeable about champagne, it looks like Sakaki is gradually coming to understand the profound world of champagne, but…?

Hachiro Kurogane, a high school graduate catcher, joined the Carbons, a very weak baseball team, as the 8th overall pick in the draft. When he was asked about his goal at the team's press conference, he declared, "I will win the championship in my first year and win the MVP. He caused a stir! That was the "marriage condition" given to Hachiro by his childhood friend, Suzu Domon, whom he had fallen in love with. Hachiro's tremendous challenge has begun as he aims to make the starting lineup for the season opener!

A man marries a woman who has a son who is only 10 years younger than himself.

Arnoick, the strongest Sword Saint in history, has died. His sword techniques were passed on to his disciples, and it was thought that his story had come to an end— But then…! Arnoick is reincarnated as a breathtakingly beautiful maid named Annette! With her slender arms and frail body, she should have given up the path of the sword and lived a quiet, peaceful life. However, in order to protect Rosalena, the daughter of a fallen noble family, she rises up broom in hand. An ultimate do-over fantasy of the strongest warrior reborn—from old man to beautiful girl! (Comic Gardo Translated)