Gozen 2ji Made Kimi no Mono
...... Spoiler summary: Uke got into an accident 8 years ago that made him amnesiac. He never retains his memory for more than a day and so never gets to create new memories after the accident. Uke is in love with seme since before, it was one sided. One day, five years before etje current timeline. He got to know this girl who suggested the two to get married despite his condition and now he got a wife whom he gets to know for the first time each day. But also, as his heart remains to be 21 and not 29, his feelings for seme never really moved on and at some days, he confesses and the two tangke don't heir sheets. Uke still finds comfort from seme on all his anxiety. He doesn't know that he does this affair each day, because he doesn't write this update in this phone. Not sure if it sbecaus eif guilt. In chap 6, he decided to change and write an update. And how he had kissed with seme.
Tourou No Ori