Who Stole My Wedding Ring[comprehensive]

On the eve of the wedding, the wedding ring was accidentally stolen. At the suggestion of his fiancé Dazai, Qingshuixin decided to postpone the wedding and look for a ring. The suspect is identified as—— Ordinary staff-ex-boyfriend: Mr. Hat College teacher - ex-boyfriend: 5t5 Company President-Ex-ex-ex-boyfriend: Mr. Sen ​ Multinational Corporate Executives-Young Tamedan: ​​ The Shinigami primary school student who accepted the request to assist in solving the case: Ah... Ah? ? ? Something is wrong! ! ! —— *Brainless male protagonist Su, everyone is brainless, ooc *cp is undecided. Whoever has the ring is the hero x(? Intention: Fishing is a moment of pleasure, getting married makes you cry.