[Kimi ni Shuushin (Burger Sand Kimi)] Uchuu no Siso-sama no Tugai ni Naru shika Nai! | I Have No Choice But to Become the Universal Progenitor's Mate! & Extra chapter
Mind controlled to become forcefully happy and content. Although he didn't have to use it too much, it clashes with the supposed theme of being soul mates.