A combination illustration and manga artbook featuring the ultramarine works and fantastical world of Sakatsuki Sakana. —The few short manga stories included are a side stories that served as a precursor to Sakatsuki's eventual ongoing publication (https://mangadex.org/title/77c7d3eb-16e9-4ef2-81f0-4d3876a037c5/star-tripper-planetarium-ghost-travel). They are irrelevant to the main storyline, but follow 303's solo travels around Sakatsuki's starry universe.- 3.1 – Prologue- 3.2 – Listening to the Rain- 3.3 – Buying Sweets- 3.4 – Drinking Kikiriri- 3.5 – Seeing Space Fashion- 3.6 – Climbing the Tower- 3.7 – Making A Guess- 3.8 – Epilogue
