Saikyou Koibana

From WoC Scans and Covenant of Darkness:
Story 01: After School Wedding (Houka go uedingu) by SHINJO Mayu
Hana is a jealous wife, and Ryuki is her hot-shot-model husband. The thing is, he’s also her teacher at her high school!! Both struggle to manage their love and life while keeping their relationship a secret from the rest of the school. Also scanlated as a oneshot by Tenshi-Tachi.
Story 02: Platinum Talk (Purachina Tooku) by DOUMOTO Nao
Story 03: Close Distance Love (Kin Kyori Ren Ai) by YAMADA Komomo
Story 04: Until I fall in love (Koi Ni Naru Ma De) by YUMACHI Shin
Story 05: In Love for 10 Years (10 Nen, Koi Shita) by OSAKABE Mashin