I loved Christina and Nyrae together.
Note - Though "Living Out Loud" is not a part of the series it contains a lot of the characters from it. Also, we've met Ben in "Paint the Stars" (Ezra's boyfriend from college). Xavier was mentioned in a novel by Nyrae Dawn ("Hundred Thousand Words").
1. Touch the Sky [Gabriel Stewart & Lucas Barnett] (Published 28 March 2016) ★★★★★
2. Chase the Sun [Jamie Tolland & Conner Murphy] (Published 9th September 2016) ★★★★
3. Paint the Stars [Ezra Greene & Daevonte Randall] (Published February 2017) ★★★★
- Living Out Loud [Ben Emerson & Xavier Ramos] (Published 8 September 2017) ★★★★★