Manga Like Yowamushi Omega wa Dekiai Saretai

Thoughtful young man (⍺) x introverted creator (Ω) Love remakes life!! Luca – creator of the famous character Mimigel – is an illustrator with an introverted personality. Because he was tired of being changed too much, not to his liking, he gave up the copyright to the character Mimigel and took a plane to move to a far away place to live. During his flight, the plane suddenly had a shaking problem. Before he knew it, he found himself in a world where strange words like "second gender," "omega," "sex" were everywhere. And what will his new life be like?! (Source: Gentosha, translated) Note: Includes one extra chapter.