Rainbow Doughnut

You are reading Rainbow Doughnut manga, one of the most popular manga covering in Drama, Romance genres, written by Yogurong at MangaBuddy, a top manga site to offering for read manga online free. Rainbow Doughnut has 10 translated chapters and translations of other chapters are in progress. Lets enjoy.
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"Doctor, your shots are really unpleasant." Lee Inwoo, a member of the private mercenary group, "SOT," approaches an ordinary doctor, Kang Dowoon, to retrieve the formula for a certain drug. As Inwoo gets closer to uncovering Dowoon's secrets, he finds himself increasingly burdened by guilt for betraying him.