Rikkun, the youngest member of the super popular idol group that I support, has become my real brother after my parents remarried...!? (Source: Shueisha, translated)

Yerin, who works as a researcher in the new drug development department of a pharmaceutical company, is developing a hormonal medicine. One day, by mistake, she ends up giving her infamous boss Seonghoon a new medicine that hadn't finished clinical trials yet, instead of a headache medicine. Seonghoon, who initially sent Yerin away to the infirmary, calls her back to the office and says something unexpected... “My heart races when I think of you, Yerin. Why?" A chemistry research diary between these two, while using an elixir of love! **Original Webtoon:** [KakaoPage](https://page.kakao.com/content/63102758), [Daum](https://webtoon.kakao.com/content/%EC%83%81%EC%82%AC%EC%97%90%EA%B2%8C-%EC%A0%80%EC%A7%80%EB%A5%B8-%EB%82%98%EC%81%9C-%EC%A7%93/3845) **Official Translations:** [Japanese](https://jp.piccoma.com/web/product/163334)

The young king, Lionel, appears before Glenn, the leader of a group of thieves who is imprisoned in a dungeon. Glenn was prepared for execution, but he was told "You will be my queen." He was branded with a mark that allows even men to become pregnant. "This is all..." I thought bitterly, but when the crest touched my body... In no time, I was engulfed in pleasure... A dramatic marriage between a strong-willed bandit leader and an arrogant king.

Volume 1 Cover: `author YOSHIDA Hamaru` 1. `author YOSHIDA Hamaru` 『後輩は俺と同じパンツを履きたくないらしい』 2. [MINAMI Shizu](https://mangabaka.org/author/iif34eg/minami-shizu) 『不祥事アイドルの生配信！？』 3. [Yungu](https://mangabaka.org/author/qf82b6r/yungu) 『後輩上司からノーパン出社を命じられました』 4. `author SASAKAMA Bokko` 『おれ、告白するときはパンツをはかない主義です。』 5. `author Kino (きの)` 『幼なじみはスケベな下着で誘惑する。』

*Note: Includes one extra chapter.*