Here's a cute NicoMaki manga from Pixiv a friendly anon translated and I typeset last summer. There are four chapters plus a bonus three-page chapter: "Having dated for one week": pages 1-8 "Having dated for two weeks": pages 9-11 "Having dated for three months": pages 12-21 "Having dated for four months": pages 22-60 Bonus chapter: pages 61-63