Mitsubachi to Lemon Balm sweet moment

Since Kaoru and Yuichiro confessed their love to each other, they’ve been going steady. They have mutual affection, so everything should be smooth sailing as their relationship deepens. But it can be hard to know how to take that next step, especially when neither of them wants to rock the boat. Things seem to be at an impasse when a sudden disruption comes along. Will it be the push they need to take their relationship to the next level, or will it only cause misunderstandings? (Source: Kodansha USA) Note: Includes one extra chapter.