The Dreaded Letter

When Tsuna gets a letter from his old High School to go to a reunion, will he go and risk his status being discovered? Well Reborn will probably force him to go anyway. Will Tsuna's secret be shattered? Will his classmates survive the drastic change within their Dame-classmate?
Cover Creds= @FaithInDreams1517.
Disclaimer: I DO NOT OWN KATEKYO HITMAN REBORN
P.S. Tsuna is married to Kyoko, and Hana and Ryohei are married, and Chrome and Hibari are married as well. Yamamoto and Haru are married.