Meisai (Circle)

From Masayoshi, the author of Shishunki Bitter Change, comes a sweet romantic comedy about a pair of lovebirds, a modern high school girl and a somewhat plain junior high school boy. Adapted into a voice comic: YouTube (free) Booth (purchase) Raws Toranoana (physical) Booth (digital)

Keita and Takashi have been friends since they were kids. After entering high school, they start becoming aware of each other after appearing in each other's dreams, and their relationship begins to change. A romantic comedy featuring an ikemen seme and a tsundere uke. Raws Toranoana (physical)

A laid-back slice-of-life manga about an office worker living the life of a corporate slave. Raws Fanbox (digital) Toranoana (physical)

Tired of her job, the main character lives next door to a slightly scary delinquent! A comedy doujinshi about this mismatched pair. Raws Fanbox (digital) Toranoana (physical)

Short manga and commentary for the original manga Change. (No relation to the published version.) Intended for those who have finished reading the manga, as it contains spoilers for the ending and epilogue posted on the website, character profiles, etc.

Her dad had a mistress, then her mom had an affair… Raised in such a cold environment, Mayuko began going on dates with a sugar daddy. But while on a date, she encountered her brother! "I'll pay for you, in advance." The story of a pair of siblings on poor terms getting a little closer. Raws Toranoana (physical) Booth (digital)

What if Yuuta and Yui were in middle school without having swapped bodies? Based on Shishunki Bitter Change/Change, a doujinshi from the original author, Masayoshi.